Severe Center
W. Colorado and E. Utah Warnings, Watches, And Advisories Frost Advisory
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Frost Advisory
In effect:
Saturday, May 02 2026 1:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS Chicago IL
FROST ADVISORY IN EFFECT FROM 1 AM CDT /2 AM EDT/ TO 8 AM CDT /9 AM EDT/ SATURDAY
What:
Temperatures as low as 31 degrees Fahrenheit will result in
frost formation.
Temperatures as low as 31 degrees Fahrenheit will result in
frost formation.
Where:
Portions of east central, north central, and northeast
Illinois and northwest Indiana.
Portions of east central, north central, and northeast
Illinois and northwest Indiana.
When:
From 1 AM CDT /2 AM EDT/ to 8 AM CDT /9 AM EDT/ Saturday.
From 1 AM CDT /2 AM EDT/ to 8 AM CDT /9 AM EDT/ Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Winnebago
Boone
McHenry
Lake
Ogle
Lee
De Kalb
Kane
DuPage
Kendall
Kankakee
Iroquois
Northern Cook
Southern Cook
Northern Will
Southern Will
Eastern Will
Lake
Porter
Newton
Jasper
Benton
Frost Advisory
In effect:
Friday, May 01 2026 3:32 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS Sioux Falls SD
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING
What:
Temperatures as low as 32 will result in frost formation,
most widespread across portions of southeast South Dakota and
southwest Minnesota.
Temperatures as low as 32 will result in frost formation,
most widespread across portions of southeast South Dakota and
southwest Minnesota.
Where:
Portions of northwest and west central Iowa, southwest
Minnesota, northeast Nebraska, and central, east central, south
central, and southeast South Dakota.
Portions of northwest and west central Iowa, southwest
Minnesota, northeast Nebraska, and central, east central, south
central, and southeast South Dakota.
When:
Until 8 AM CDT this morning.
Until 8 AM CDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Lyon
Osceola
Dickinson
Sioux
O'Brien
Clay
Plymouth
Cherokee
Buena Vista
Woodbury
Ida
Lincoln
Lyon
Murray
Cottonwood
Nobles
Jackson
Pipestone
Rock
Dixon
Dakota
Beadle
Kingsbury
Brookings
Gregory
Jerauld
Sanborn
Miner
Lake
Moody
Brule
Aurora
Davison
Hanson
McCook
Minnehaha
Charles Mix
Douglas
Hutchinson
Turner
Lincoln
Bon Homme
Yankton
Clay
Union
Frost Advisory
In effect:
Saturday, May 02 2026 1:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS Des Moines IA
FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY
What:
Temperatures of 32 to 36 degrees will result in frost
formation.
Temperatures of 32 to 36 degrees will result in frost
formation.
Where:
All of Central Iowa.
All of Central Iowa.
When:
From 1 AM to 8 AM CDT Saturday.
From 1 AM to 8 AM CDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Emmet
Kossuth
Winnebago
Worth
Palo Alto
Hancock
Cerro Gordo
Pocahontas
Humboldt
Wright
Franklin
Butler
Bremer
Sac
Calhoun
Webster
Hamilton
Hardin
Grundy
Black Hawk
Crawford
Carroll
Greene
Boone
Story
Marshall
Tama
Audubon
Guthrie
Dallas
Polk
Jasper
Poweshiek
Cass
Adair
Madison
Warren
Marion
Mahaska
Adams
Union
Clarke
Lucas
Monroe
Wapello
Taylor
Ringgold
Decatur
Wayne
Appanoose
Davis
Frost Advisory
In effect:
Friday, May 01 2026 3:30 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Grand Rapids MI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING
What:
For the Frost Advisory, temperatures as low as 26 will
result in frost formation. For the Freeze Watch, sub-freezing
temperatures as low as 25 possible.
For the Frost Advisory, temperatures as low as 26 will
result in frost formation. For the Freeze Watch, sub-freezing
temperatures as low as 25 possible.
Where:
Gratiot, Isabella, Mecosta, Montcalm, Mason, Newaygo, and
Oceana Counties.
Gratiot, Isabella, Mecosta, Montcalm, Mason, Newaygo, and
Oceana Counties.
When:
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Mason
Oceana
Newaygo
Mecosta
Isabella
Montcalm
Gratiot
Frost Advisory
In effect:
Friday, May 01 2026 2:25 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS La Crosse WI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For the Freeze Warning,
sub-freezing temperatures as low as 29 expected.
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For the Freeze Warning,
sub-freezing temperatures as low as 29 expected.
Where:
Crawford, Grant, Buffalo, and La Crosse Counties.
Crawford, Grant, Buffalo, and La Crosse Counties.
When:
For the Frost Advisory, until 8 AM CDT this morning. For
the Freeze Warning, from midnight tonight to 8 AM CDT Saturday.
For the Frost Advisory, until 8 AM CDT this morning. For
the Freeze Warning, from midnight tonight to 8 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Buffalo
La Crosse
Crawford
Grant
Frost Advisory
In effect:
Friday, May 01 2026 2:25 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS La Crosse WI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For Saturday morning's Frost
Advisory, temperatures as low as 33 will result in frost formation.
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For Saturday morning's Frost
Advisory, temperatures as low as 33 will result in frost formation.
Where:
In Iowa, Allamakee County. In Minnesota, Houston, Wabasha,
and Winona Counties.
In Iowa, Allamakee County. In Minnesota, Houston, Wabasha,
and Winona Counties.
When:
For the first Frost Advisory, until 8 AM CDT this morning.
For the second Frost Advisory, from midnight tonight to 8 AM CDT
Saturday.
For the first Frost Advisory, until 8 AM CDT this morning.
For the second Frost Advisory, from midnight tonight to 8 AM CDT
Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Allamakee
Wabasha
Winona
Houston
Frost Advisory
In effect:
Saturday, May 02 2026 12:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS La Crosse WI
FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
Temperatures as low as 33 will result in frost formation.
Temperatures as low as 33 will result in frost formation.
Where:
Portions of north central and northeast Iowa and southeast
Minnesota.
Portions of north central and northeast Iowa and southeast
Minnesota.
When:
From midnight tonight to 8 AM CDT Saturday.
From midnight tonight to 8 AM CDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Mitchell
Howard
Winneshiek
Floyd
Chickasaw
Fayette
Clayton
Dodge
Olmsted
Mower
Fillmore
Frost Advisory
In effect:
Saturday, May 02 2026 12:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS La Crosse WI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For Saturday morning's Frost
Advisory, temperatures as low as 33 will result in frost formation.
For this morning's Frost Advisory, temperatures as low as
33 will result in frost formation. For Saturday morning's Frost
Advisory, temperatures as low as 33 will result in frost formation.
Where:
In Iowa, Allamakee County. In Minnesota, Houston, Wabasha,
and Winona Counties.
In Iowa, Allamakee County. In Minnesota, Houston, Wabasha,
and Winona Counties.
When:
For the first Frost Advisory, until 8 AM CDT this morning.
For the second Frost Advisory, from midnight tonight to 8 AM CDT
Saturday.
For the first Frost Advisory, until 8 AM CDT this morning.
For the second Frost Advisory, from midnight tonight to 8 AM CDT
Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Allamakee
Wabasha
Winona
Houston
Frost Advisory
In effect:
Saturday, May 02 2026 1:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS Kansas City/Pleasant Hill MO
FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY
What:
Temperatures as low as 31 will result in frost formation.
Temperatures as low as 31 will result in frost formation.
Where:
Portions of northeast Kansas and north central, northeast,
northwest, and west central Missouri.
Portions of northeast Kansas and north central, northeast,
northwest, and west central Missouri.
When:
From 1 AM to 8 AM CDT Saturday.
From 1 AM to 8 AM CDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Atchison
Doniphan
Atchison
Nodaway
Worth
Gentry
Harrison
Mercer
Putnam
Schuyler
Holt
Andrew
De Kalb
Daviess
Grundy
Sullivan
Adair
Buchanan
Clinton
Caldwell
Livingston
Linn
Ray
Carroll
Frost Advisory
In effect:
Saturday, May 02 2026 1:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS Quad Cities IA IL
FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY
What:
Temperatures as low as the lower to middle 30s will result
in frost formation.
Temperatures as low as the lower to middle 30s will result
in frost formation.
Where:
Portions of northwest Illinois, east central, northeast,
and southeast Iowa, and northeast Missouri.
Portions of northwest Illinois, east central, northeast,
and southeast Iowa, and northeast Missouri.
When:
From 1 AM to 8 AM CDT Saturday.
From 1 AM to 8 AM CDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Buchanan
Delaware
Dubuque
Benton
Linn
Jones
Jackson
Iowa
Johnson
Cedar
Clinton
Muscatine
Scott
Keokuk
Washington
Louisa
Jefferson
Henry
Van Buren
Jo Daviess
Stephenson
Carroll
Whiteside
Rock Island
Scotland
Frost Advisory
In effect:
Saturday, May 02 2026 12:00 AM EDT – Saturday, May 02 2026 9:00 AM EDT
Issued by NWS Wilmington OH
FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT SATURDAY
What:
Temperatures as low as 33 will result in frost formation.
Temperatures as low as 33 will result in frost formation.
Where:
Portions of east central and southeast Indiana and
southwest and west central Ohio.
Portions of east central and southeast Indiana and
southwest and west central Ohio.
When:
From midnight tonight to 9 AM EDT Saturday.
From midnight tonight to 9 AM EDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Wayne
Fayette
Union
Franklin
Hardin
Mercer
Auglaize
Darke
Shelby
Logan
Miami
Champaign
Clark
Preble
Montgomery
Greene
Butler
Warren
Frost Advisory
In effect:
Friday, May 01 2026 3:08 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Detroit/Pontiac MI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING
What:
For the Frost Advisory, temperatures as low as 32 will
result in frost formation. For the Freeze Watch, sub-freezing
temperatures as low as 27 possible.
For the Frost Advisory, temperatures as low as 32 will
result in frost formation. For the Freeze Watch, sub-freezing
temperatures as low as 27 possible.
Where:
A portion of southeast Michigan.
A portion of southeast Michigan.
When:
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
Impacts:
Frost and freeze conditions could harm crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost and freeze conditions could harm crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Midland
Bay
Huron
Saginaw
Tuscola
Sanilac
Genesee
Lapeer
St. Clair
Oakland
Macomb
Frost Advisory
In effect:
Friday, May 01 2026 2:04 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS Green Bay WI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING
What:
Temperatures as low as 31 to 36 will result in areas of
frost.
Temperatures as low as 31 to 36 will result in areas of
frost.
Where:
Calumet, Manitowoc, Winnebago, Brown, Door, Kewaunee,
Outagamie, Shawano, and Waupaca Counties.
Calumet, Manitowoc, Winnebago, Brown, Door, Kewaunee,
Outagamie, Shawano, and Waupaca Counties.
When:
Until 8 AM CDT this morning.
Until 8 AM CDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Door
Shawano
Waupaca
Outagamie
Brown
Kewaunee
Winnebago
Calumet
Manitowoc
Frost Advisory
In effect:
Saturday, May 02 2026 12:00 AM EDT – Saturday, May 02 2026 9:00 AM EDT
Issued by NWS Indianapolis IN
FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT SATURDAY
What:
Temperatures as low as 34 will result in frost formation.
Temperatures as low as 34 will result in frost formation.
Where:
Portions of central, east central, north central, and west
central Indiana.
Portions of central, east central, north central, and west
central Indiana.
When:
From midnight tonight to 9 AM EDT Saturday.
From midnight tonight to 9 AM EDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Carroll
Warren
Tippecanoe
Clinton
Howard
Fountain
Montgomery
Boone
Tipton
Hamilton
Madison
Delaware
Randolph
Vermillion
Parke
Putnam
Hendricks
Marion
Hancock
Henry
Morgan
Johnson
Shelby
Rush
Decatur
Frost Advisory
In effect:
Friday, May 01 2026 2:52 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Gaylord MI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING
What:
For the Frost Advisory, temperatures as low as 33 may
result in frost formation. For the Freeze Watch, Sub-freezing
temperatures as low as 28 possible with warmer temperatures near
the lakeshore.
For the Frost Advisory, temperatures as low as 33 may
result in frost formation. For the Freeze Watch, Sub-freezing
temperatures as low as 28 possible with warmer temperatures near
the lakeshore.
Where:
Beaver Island and surrounding islands, and Benzie,
Leelanau, and Manistee Counties.
Beaver Island and surrounding islands, and Benzie,
Leelanau, and Manistee Counties.
When:
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
Impacts:
Frost and freeze conditions could damage or kill crops
and other sensitive vegetation if left unprotected.
Frost and freeze conditions could damage or kill crops
and other sensitive vegetation if left unprotected.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Leelanau
Benzie
Manistee
Beaver Island and surrounding islands
Frost Advisory
In effect:
Friday, May 01 2026 2:52 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Gaylord MI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING
What:
For the Frost Advisory, temperatures as low as 33 will
result in frost formation. For the Freeze Watch, Sub-freezing
temperatures as low as 29 possible with warmer temperatures near
Saginaw Bay.
For the Frost Advisory, temperatures as low as 33 will
result in frost formation. For the Freeze Watch, Sub-freezing
temperatures as low as 29 possible with warmer temperatures near
Saginaw Bay.
Where:
Arenac and Gladwin Counties.
Arenac and Gladwin Counties.
When:
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
For the Frost Advisory, until 8 AM EDT this morning. For
the Freeze Watch, from late tonight through Saturday morning.
Impacts:
Frost and freeze conditions could damage or kill crops
and other sensitive vegetation if left unprotected.
Frost and freeze conditions could damage or kill crops
and other sensitive vegetation if left unprotected.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Gladwin
Arenac
Frost Advisory
In effect:
Friday, May 01 2026 2:48 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Charleston WV
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Temperatures as low as 34 will result in frost formation.
Temperatures as low as 34 will result in frost formation.
Where:
Portions of central, northeast, northern, and southeast
West Virginia.
Portions of central, northeast, northern, and southeast
West Virginia.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Areas Impacted:
Harrison
Taylor
Upshur
Barbour
Northwest Raleigh
Southeast Raleigh
Northwest Fayette
Southeast Fayette
Northwest Nicholas
Southeast Nicholas
Northwest Webster
Southeast Webster
Southeast Pocahontas
Frost Advisory
In effect:
Friday, May 01 2026 1:42 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS Milwaukee/Sullivan WI
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
For the Frost Advisory, temperatures as low as 32 will
result in frost formation. For the Freeze Warning, sub-freezing
temperatures as low as 29 expected.
For the Frost Advisory, temperatures as low as 32 will
result in frost formation. For the Freeze Warning, sub-freezing
temperatures as low as 29 expected.
Where:
Fond du Lac, Dane, Green, Iowa, Lafayette, Rock, Dodge,
and Jefferson Counties.
Fond du Lac, Dane, Green, Iowa, Lafayette, Rock, Dodge,
and Jefferson Counties.
When:
For the Frost Advisory, until 8 AM CDT this morning. For
the Freeze Warning, from midnight tonight to 8 AM CDT Saturday.
For the Frost Advisory, until 8 AM CDT this morning. For
the Freeze Warning, from midnight tonight to 8 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Fond Du Lac
Dodge
Iowa
Dane
Jefferson
Lafayette
Green
Rock
Frost Advisory
In effect:
Saturday, May 02 2026 12:00 AM CDT – Saturday, May 02 2026 8:00 AM CDT
Issued by NWS Milwaukee/Sullivan WI
FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY
What:
Temperatures as low as 31 will result in frost formation.
Temperatures as low as 31 will result in frost formation.
Where:
Kenosha, Milwaukee, and Racine Counties.
Kenosha, Milwaukee, and Racine Counties.
When:
From midnight tonight to 8 AM CDT Saturday.
From midnight tonight to 8 AM CDT Saturday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Milwaukee
Racine
Kenosha
Frost Advisory
In effect:
Friday, May 01 2026 2:33 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Mount Holly NJ
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING
What:
Temperatures as low as 31 will result in patchy frost
formation.
Temperatures as low as 31 will result in patchy frost
formation.
Where:
Carbon and Monroe Counties.
Carbon and Monroe Counties.
When:
Until 8 AM EDT this morning.
Until 8 AM EDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Carbon
Monroe
Frost Advisory
In effect:
Friday, May 01 2026 2:12 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Buffalo NY
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Temperatures in the lower 30s will result in frost
formation.
Temperatures in the lower 30s will result in frost
formation.
Where:
Northern Cayuga and Oswego Counties.
Northern Cayuga and Oswego Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost could kill sensitive outdoor vegetation if left
unprotected.
Frost could kill sensitive outdoor vegetation if left
unprotected.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Northern Cayuga
Oswego
Frost Advisory
In effect:
Friday, May 01 2026 2:12 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Buffalo NY
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Temperatures in the lower to mid 30s will result in frost
formation.
Temperatures in the lower to mid 30s will result in frost
formation.
Where:
Erie, Niagara, Orleans, Monroe, Wayne, Genesee, Wyoming,
Livingston, Ontario, and Chautauqua Counties.
Erie, Niagara, Orleans, Monroe, Wayne, Genesee, Wyoming,
Livingston, Ontario, and Chautauqua Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost could kill sensitive outdoor vegetation if left
unprotected.
Frost could kill sensitive outdoor vegetation if left
unprotected.
Additional Details:
The coldest temperatures and greater risk of
frost will be inland away from the lakeshores.
The coldest temperatures and greater risk of
frost will be inland away from the lakeshores.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Niagara
Orleans
Monroe
Wayne
Northern Erie
Genesee
Wyoming
Livingston
Ontario
Chautauqua
Southern Erie
Frost Advisory
In effect:
Friday, May 01 2026 12:49 AM CDT – Friday, May 01 2026 9:00 AM CDT
Issued by NWS Hastings NE
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
What:
Temperatures as low as 29 to 36 degrees will result in
areas of frost.
Temperatures as low as 29 to 36 degrees will result in
areas of frost.
Where:
Portions of north central Kansas and central, east
central, and south central Nebraska.
Portions of north central Kansas and central, east
central, and south central Nebraska.
When:
Until 9 AM CDT this morning.
Until 9 AM CDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Additional Details:
Although sub-freezing temperatures are
possible mainly north and west of the Tri-Cities the primary
threat to vegetation will be frost and not a true, killing freeze.
Although sub-freezing temperatures are
possible mainly north and west of the Tri-Cities the primary
threat to vegetation will be frost and not a true, killing freeze.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Phillips
Smith
Jewell
Rooks
Osborne
Mitchell
Valley
Greeley
Nance
Sherman
Howard
Merrick
Polk
Dawson
Buffalo
Hall
Hamilton
York
Gosper
Phelps
Kearney
Adams
Clay
Fillmore
Furnas
Harlan
Franklin
Webster
Nuckolls
Thayer
Frost Advisory
In effect:
Friday, May 01 2026 1:08 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Binghamton NY
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Temperatures in the low to mid 30s, combined with mostly
clear skies and light to calm winds will result in frost formation.
Temperatures in the low to mid 30s, combined with mostly
clear skies and light to calm winds will result in frost formation.
Where:
In New York, Onondaga, Seneca, Southern Cayuga, and Yates
Counties. In Pennsylvania, Lackawanna and Luzerne Counties.
In New York, Onondaga, Seneca, Southern Cayuga, and Yates
Counties. In Pennsylvania, Lackawanna and Luzerne Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Yates
Seneca
Southern Cayuga
Onondaga
Lackawanna
Luzerne
Frost Advisory
In effect:
Friday, May 01 2026 12:55 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Cleveland OH
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Temperatures in the low to mid 30s will result in frost
formation.
Temperatures in the low to mid 30s will result in frost
formation.
Where:
Crawford and Southern Erie Counties.
Crawford and Southern Erie Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Southern Erie
Crawford
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM CDT – Friday, May 01 2026 9:00 AM CDT
Issued by NWS Omaha/Valley NE
FROST ADVISORY IN EFFECT UNTIL 9 AM CDT FRIDAY
What:
Temperatures as low as 32 will result in frost formation.
Temperatures as low as 32 will result in frost formation.
Where:
Portions of southwest Iowa and east central and southeast
Nebraska.
Portions of southwest Iowa and east central and southeast
Nebraska.
When:
Until 9 AM CDT Friday.
Until 9 AM CDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Harrison
Shelby
Pottawattamie
Mills
Montgomery
Fremont
Page
Washington
Douglas
Sarpy
Cass
Otoe
Nemaha
Richardson
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM CDT – Friday, May 01 2026 9:00 AM CDT
Issued by NWS Omaha/Valley NE
FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT FRIDAY
What:
Temperatures as low as 32 will result in frost formation.
Temperatures as low as 32 will result in frost formation.
Where:
Portions of west central Iowa and east central, northeast,
and southeast Nebraska.
Portions of west central Iowa and east central, northeast,
and southeast Nebraska.
When:
Until 9 AM CDT Friday.
Until 9 AM CDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Monona
Knox
Cedar
Thurston
Antelope
Pierce
Wayne
Boone
Madison
Stanton
Cuming
Burt
Platte
Colfax
Dodge
Butler
Saunders
Seward
Lancaster
Saline
Jefferson
Gage
Johnson
Pawnee
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Blacksburg VA
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY
What:
Temperatures as low as 35 will result in frost formation.
Temperatures as low as 35 will result in frost formation.
Where:
In Virginia, Alleghany VA and Bath Counties. In West
Virginia, Eastern Greenbrier, Monroe, Summers, and Western
Greenbrier Counties.
In Virginia, Alleghany VA and Bath Counties. In West
Virginia, Eastern Greenbrier, Monroe, Summers, and Western
Greenbrier Counties.
When:
Until 8 AM EDT Friday.
Until 8 AM EDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Alleghany
Bath
Summers
Monroe
Eastern Greenbrier
Western Greenbrier
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS Baltimore MD/Washington DC
FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY
What:
Temperatures as low as 34 will result in frost formation.
Temperatures as low as 34 will result in frost formation.
Where:
In Maryland, Eastern Garrett, Extreme Western Allegany,
and Western Garrett Counties. In Virginia, Eastern Highland
County. In West Virginia, Eastern Grant, Eastern Pendleton, and
Western Mineral Counties.
In Maryland, Eastern Garrett, Extreme Western Allegany,
and Western Garrett Counties. In Virginia, Eastern Highland
County. In West Virginia, Eastern Grant, Eastern Pendleton, and
Western Mineral Counties.
When:
Until 8 AM EDT Friday.
Until 8 AM EDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Extreme Western Allegany
Western Garrett
Eastern Garrett
Eastern Highland
Eastern Grant
Western Mineral
Eastern Pendleton
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS Twin Cities/Chanhassen MN
FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT FRIDAY
What:
Temperatures as low as 33 will result in frost formation.
Temperatures as low as 33 will result in frost formation.
Where:
Portions of central, east central, southeast, southwest,
and west central Minnesota and west central Wisconsin.
Portions of central, east central, southeast, southwest,
and west central Minnesota and west central Wisconsin.
When:
From midnight tonight to 8 AM CDT Friday.
From midnight tonight to 8 AM CDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Sherburne
Isanti
Lac Qui Parle
Chippewa
Kandiyohi
Meeker
Wright
Anoka
Washington
Yellow Medicine
Renville
McLeod
Dakota
Redwood
Goodhue
Pierce
Pepin
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM EDT – Friday, May 01 2026 9:00 AM EDT
Issued by NWS Pittsburgh PA
FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT FRIDAY
What:
Temperatures as low as 33 will result in frost formation.
Temperatures as low as 33 will result in frost formation.
Where:
Portions of northwest, southwest, and western Pennsylvania
and northern West Virginia.
Portions of northwest, southwest, and western Pennsylvania
and northern West Virginia.
When:
From midnight tonight to 9 AM EDT Friday.
From midnight tonight to 9 AM EDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Mercer
Venango
Forest
Lawrence
Butler
Clarion
Jefferson
Beaver
Allegheny
Armstrong
Washington
Greene
Westmoreland
Westmoreland Ridges
Fayette
Fayette Ridges
Indiana
Higher Elevations of Indiana
Marion
Monongalia
Ridges of Eastern Monongalia and Northwestern Preston
Preston
Eastern Preston
Western Tucker
Frost Advisory
In effect:
Friday, May 01 2026 1:00 AM CDT – Friday, May 01 2026 8:00 AM CDT
Issued by NWS Topeka KS
FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
What:
Temperatures as low as 35 will result in frost formation.
Temperatures as low as 35 will result in frost formation.
Where:
Clay, Cloud, Republic, Washington, Marshall, and Nemaha
Counties.
Clay, Cloud, Republic, Washington, Marshall, and Nemaha
Counties.
When:
From 1 AM to 8 AM CDT Friday.
From 1 AM to 8 AM CDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation.
Frost could harm sensitive outdoor vegetation.
Instructions:
Tender plants should be brought inside or covered to protect them
from the cold.
Tender plants should be brought inside or covered to protect them
from the cold.
Areas Impacted:
Republic
Washington
Marshall
Nemaha
Cloud
Clay
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS State College PA
FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT FRIDAY
What:
Temperatures as low as 34 will result in frost formation.
Temperatures as low as 34 will result in frost formation.
Where:
Cambria, Cameron, Clearfield, Somerset, and Warren
Counties.
Cambria, Cameron, Clearfield, Somerset, and Warren
Counties.
When:
From midnight tonight to 8 AM EDT Friday.
From midnight tonight to 8 AM EDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Additional Details:
Frost and freeze conditions will be possible
each night through the weekend as temperatures will remain much
below normal.
Frost and freeze conditions will be possible
each night through the weekend as temperatures will remain much
below normal.
Instructions:
Near-ground freezing temperatures could kill uncovered sensitive
outdoor vegetation.
Take steps now to protect tender plants and vegetation from the cold.
Near-ground freezing temperatures could kill uncovered sensitive
outdoor vegetation.
Take steps now to protect tender plants and vegetation from the cold.
Areas Impacted:
Warren
Cameron
Clearfield
Cambria
Somerset
Frost Advisory
In effect:
Friday, May 01 2026 12:00 AM EDT – Friday, May 01 2026 8:00 AM EDT
Issued by NWS State College PA
FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT FRIDAY
What:
Temperatures as low as 34 will result in frost formation.
Temperatures as low as 34 will result in frost formation.
Where:
Bedford, Blair, Northern Centre, Northern Clinton,
Northern Lycoming, Southern Centre, Southern Clinton, Southern
Lycoming, Sullivan, and Tioga Counties.
Bedford, Blair, Northern Centre, Northern Clinton,
Northern Lycoming, Southern Centre, Southern Clinton, Southern
Lycoming, Sullivan, and Tioga Counties.
When:
From midnight tonight to 8 AM EDT Friday.
From midnight tonight to 8 AM EDT Friday.
Impacts:
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Additional Details:
Frost and freeze conditions will be possible
each night through the weekend as temperatures will remain much
below normal.
Frost and freeze conditions will be possible
each night through the weekend as temperatures will remain much
below normal.
Instructions:
Near-ground freezing temperatures could kill uncovered sensitive
outdoor vegetation.
Take steps now to protect tender plants and vegetation from the cold.
Near-ground freezing temperatures could kill uncovered sensitive
outdoor vegetation.
Take steps now to protect tender plants and vegetation from the cold.
Areas Impacted:
Northern Clinton
Northern Centre
Southern Centre
Blair
Bedford
Tioga
Northern Lycoming
Sullivan
Southern Clinton
Southern Lycoming