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United States Warnings, Watches, And Advisories Heat Advisory
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Heat Advisory
In effect:
Thursday, Sep 17 2026 10:05 AM CDT – Thursday, Sep 17 2026 7:00 PM CDT
Issued by NWS Lincoln IL
HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
What:
Heat index values up to 103.
Heat index values up to 103.
Where:
Portions of central, east central, southeast, and west
central Illinois.
Portions of central, east central, southeast, and west
central Illinois.
When:
Until 7 PM CDT this evening.
Until 7 PM CDT this evening.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Areas Impacted:
Scott
Morgan
Sangamon
Christian
Shelby
Cumberland
Effingham
Jasper
Crawford
Clay
Richland
Lawrence
Heat Advisory
In effect:
Thursday, Sep 17 2026 5:57 AM CDT – Saturday, Sep 19 2026 8:00 PM CDT
Issued by NWS Springfield MO
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY
What:
Heat index values up to 105.
Heat index values up to 105.
Where:
Portions of southeast Kansas and central, east central,
south central, southwest, and west central Missouri.
Portions of southeast Kansas and central, east central,
south central, southwest, and west central Missouri.
When:
Until 8 PM CDT Saturday.
Until 8 PM CDT Saturday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Areas Impacted:
Bourbon
Crawford
Cherokee
Benton
Morgan
Miller
Maries
Vernon
St. Clair
Hickory
Camden
Pulaski
Phelps
Barton
Cedar
Polk
Dallas
Laclede
Texas
Dent
Jasper
Dade
Greene
Webster
Wright
Newton
Lawrence
Christian
Douglas
Howell
Shannon
McDonald
Barry
Stone
Taney
Ozark
Oregon
Heat Advisory
In effect:
Thursday, Sep 17 2026 3:56 AM CDT – Sunday, Sep 20 2026 7:00 PM CDT
Issued by NWS Paducah KY
HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ SUNDAY
What:
Heat index values up to 109 degrees can be expected.
Heat index values up to 109 degrees can be expected.
Where:
all of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
all of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
When:
Until 7 PM CDT /8 PM EDT/ Sunday.
Until 7 PM CDT /8 PM EDT/ Sunday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Areas Impacted:
Jefferson
Wayne
Edwards
Wabash
Perry
Franklin
Hamilton
White
Jackson
Williamson
Saline
Gallatin
Union
Johnson
Pope
Hardin
Alexander
Pulaski
Massac
Gibson
Pike
Posey
Vanderburgh
Warrick
Spencer
Fulton
Hickman
Carlisle
Ballard
McCracken
Graves
Livingston
Marshall
Calloway
Crittenden
Lyon
Trigg
Caldwell
Union
Webster
Hopkins
Christian
Henderson
Daviess
McLean
Muhlenberg
Todd
Perry
Bollinger
Cape Girardeau
Wayne
Carter
Ripley
Butler
Stoddard
Scott
Mississippi
New Madrid
Heat Advisory
In effect:
Thursday, Sep 17 2026 3:21 AM EDT – Thursday, Sep 17 2026 8:00 PM EDT
Issued by NWS Louisville KY
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING
What:
Heat index values up to 105.
Heat index values up to 105.
Where:
Portions of south central Indiana and north central,
northwest, and south central Kentucky.
Portions of south central Indiana and north central,
northwest, and south central Kentucky.
When:
Until 8 PM EDT /7 PM CDT/ this evening.
Until 8 PM EDT /7 PM CDT/ this evening.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Areas Impacted:
Orange
Washington
Scott
Jefferson
Dubois
Crawford
Perry
Harrison
Floyd
Clark
Hancock
Breckinridge
Meade
Ohio
Grayson
Hardin
Bullitt
Jefferson
Oldham
Trimble
Henry
Shelby
Spencer
Nelson
Washington
Larue
Marion
Butler
Edmonson
Hart
Green
Taylor
Logan
Warren
Simpson
Allen
Barren
Monroe
Metcalfe
Adair
Cumberland
Heat Advisory
In effect:
Thursday, Sep 17 2026 2:19 AM CDT – Friday, Sep 18 2026 8:00 PM CDT
Issued by NWS St Louis MO
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT FRIDAY
What:
Heat index values up to 105.
Heat index values up to 105.
Where:
In Illinois, Fayette IL, Montgomery IL, Calhoun IL, Greene
IL, Jersey IL, and Macoupin IL Counties. In Missouri, Boone MO,
Callaway MO, Lincoln MO, and Montgomery MO Counties.
In Illinois, Fayette IL, Montgomery IL, Calhoun IL, Greene
IL, Jersey IL, and Macoupin IL Counties. In Missouri, Boone MO,
Callaway MO, Lincoln MO, and Montgomery MO Counties.
When:
Until 8 PM CDT Friday.
Until 8 PM CDT Friday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational Safety
and Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational Safety
and Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Areas Impacted:
Greene
Macoupin
Montgomery
Fayette
Calhoun
Jersey
Boone
Callaway
Montgomery
Lincoln
Heat Advisory
In effect:
Thursday, Sep 17 2026 2:19 AM CDT – Saturday, Sep 19 2026 8:00 PM CDT
Issued by NWS St Louis MO
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY
What:
Heat index values up to 106.
Heat index values up to 106.
Where:
Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.
Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.
When:
Until 8 PM CDT Saturday.
Until 8 PM CDT Saturday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational Safety
and Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
People in the Saint Louis Metropolitan Area can get information about
cooling centers or energy assistance related to the excessive heat by
calling the United Way of Greater Saint Louis at 800-427-4626, or if
calling from a land line phone dial 2-1-1. You can also call Cool
Down Saint Louis at 314-241-7668.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational Safety
and Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
People in the Saint Louis Metropolitan Area can get information about
cooling centers or energy assistance related to the excessive heat by
calling the United Way of Greater Saint Louis at 800-427-4626, or if
calling from a land line phone dial 2-1-1. You can also call Cool
Down Saint Louis at 314-241-7668.
Areas Impacted:
Bond
Clinton
Marion
Washington
Randolph
Madison
St. Clair
Monroe
Moniteau
Cole
Osage
Gasconade
Warren
St. Charles
Franklin
St. Louis
St. Louis City
Jefferson
Crawford
Washington
St. Francois
Ste. Genevieve
Iron
Madison
Reynolds
Heat Advisory
In effect:
Thursday, Sep 17 2026 12:00 PM CDT – Thursday, Sep 17 2026 7:00 PM CDT
Issued by NWS Norman OK
HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING
What:
Heat index values up to 105 expected.
Heat index values up to 105 expected.
Where:
Pontotoc, Atoka, Bryan, Coal, Hughes, Johnston, Marshall,
Carter, and Love Counties.
Pontotoc, Atoka, Bryan, Coal, Hughes, Johnston, Marshall,
Carter, and Love Counties.
When:
From noon today to 7 PM CDT this evening.
From noon today to 7 PM CDT this evening.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Areas Impacted:
Hughes
Pontotoc
Coal
Carter
Johnston
Atoka
Love
Marshall
Bryan
Heat Advisory
In effect:
Thursday, Sep 17 2026 1:20 AM CDT – Saturday, Sep 19 2026 8:00 PM CDT
Issued by NWS Memphis TN
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY
What:
Heat index values up to 107.
Heat index values up to 107.
Where:
Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.
Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.
When:
Until 8 PM CDT Saturday.
Until 8 PM CDT Saturday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Areas Impacted:
Clay
Greene
Craighead
Poinsett
Mississippi
Cross
Crittenden
St. Francis
Lee
Phillips
Dunklin
Pemiscot
DeSoto
Marshall
Benton
Tippah
Alcorn
Tishomingo
Tunica
Tate
Prentiss
Coahoma
Quitman
Panola
Lafayette
Union
Pontotoc
Lee
Itawamba
Tallahatchie
Yalobusha
Calhoun
Chickasaw
Monroe
Lake
Obion
Weakley
Henry
Dyer
Gibson
Carroll
Benton
Lauderdale
Tipton
Haywood
Crockett
Madison
Chester
Henderson
Decatur
Shelby
Fayette
Hardeman
McNairy
Hardin
Heat Advisory
In effect:
Thursday, Sep 17 2026 10:00 AM CDT – Thursday, Sep 17 2026 8:00 PM CDT
Issued by NWS Little Rock AR
HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT THIS EVENING
What:
Heat index values up to 109 expected.
Heat index values up to 109 expected.
Where:
Portions of central, eastern, north central, southeast, and
western Arkansas.
Portions of central, eastern, north central, southeast, and
western Arkansas.
When:
From 10 AM this morning to 8 PM CDT this evening.
From 10 AM this morning to 8 PM CDT this evening.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Areas Impacted:
Sharp
Randolph
Independence
Lawrence
Cleburne
Jackson
Conway
Faulkner
White
Woodruff
Perry
Saline
Pulaski
Lonoke
Prairie
Monroe
Arkansas
Southern Johnson County
Southern Pope County
Southeast Van Buren County
Western and Northern Logan County
Northwest Yell County
Southern and Eastern Logan County
Yell Excluding Northwest
Heat Advisory
In effect:
Thursday, Sep 17 2026 12:00 PM CDT – Thursday, Sep 17 2026 7:00 PM CDT
Issued by NWS Tulsa OK
HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM CDT THURSDAY
What:
Heat index values up to 107 expected.
Heat index values up to 107 expected.
Where:
In Arkansas, Southern Sebastian County. In Oklahoma,
Okfuskee, Creek, Central Le Flore, Choctaw, Pushmataha, and
Southern Le Flore Counties.
In Arkansas, Southern Sebastian County. In Oklahoma,
Okfuskee, Creek, Central Le Flore, Choctaw, Pushmataha, and
Southern Le Flore Counties.
When:
From noon to 7 PM CDT Thursday.
From noon to 7 PM CDT Thursday.
Impacts:
Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
Instructions:
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Areas Impacted:
Southern Sebastian
Pushmataha
Choctaw
Creek
Okfuskee
Central Le Flore
Southern Le Flore
Heat Advisory
In effect:
Thursday, Sep 17 2026 12:00 PM CDT – Thursday, Sep 17 2026 7:00 PM CDT
Issued by NWS Tulsa OK
HEAT ADVISORY NOW IN EFFECT FROM NOON TO 7 PM CDT THURSDAY
What:
Heat index values up to 108 expected.
Heat index values up to 108 expected.
Where:
Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
When:
From noon to 7 PM CDT Thursday.
From noon to 7 PM CDT Thursday.
Impacts:
Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
Instructions:
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Areas Impacted:
North and Central Sebastian
Southern Crawford
Central and Southern Franklin
Washington
Nowata
Craig
Ottawa
Tulsa
Rogers
Mayes
Delaware
Okmulgee
Wagoner
Cherokee
Adair
Muskogee
McIntosh
Pittsburg
Haskell
Latimer
Northern Sequoyah
Northern Le Flore
Central and Southern Sequoyah
Heat Advisory
In effect:
Wednesday, Sep 16 2026 10:24 PM CDT – Saturday, Sep 19 2026 8:00 PM CDT
Issued by NWS Nashville TN
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY
What:
Heat index values up to 108.
Heat index values up to 108.
Where:
Across Middle Tennessee.
Across Middle Tennessee.
When:
Until 8 PM CDT Saturday.
Until 8 PM CDT Saturday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Areas Impacted:
Stewart
Montgomery
Robertson
Sumner
Macon
Clay
Houston
Humphreys
Dickson
Cheatham
Davidson
Wilson
Trousdale
Smith
Jackson
Putnam
Overton
Perry
Hickman
Lewis
Williamson
Maury
Marshall
Rutherford
Cannon
De Kalb
White
Bedford
Coffee
Warren
Wayne
Lawrence
Giles
Heat Advisory
In effect:
Wednesday, Sep 16 2026 11:49 AM CDT – Saturday, Sep 19 2026 8:00 PM CDT
Issued by NWS Huntsville AL
HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY
What:
Heat index values up to 109.
Heat index values up to 109.
Where:
Portions of north central, northeast, and northwest Alabama
and southern middle Tennessee.
Portions of north central, northeast, and northwest Alabama
and southern middle Tennessee.
When:
Until 8 PM CDT Saturday.
Until 8 PM CDT Saturday.
Impacts:
Hot temperatures and high humidity may cause heat
illnesses.
Hot temperatures and high humidity may cause heat
illnesses.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Areas Impacted:
Lauderdale
Colbert
Franklin
Lawrence
Limestone
Madison
Morgan
Marshall
Jackson
DeKalb
Cullman
Moore
Lincoln
Franklin