Severe Center
Severe Center
Washington D.C & Central Maryland & N. Virginia & E. West Virginia Warnings, Watches, And Advisories Freeze Warning 
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Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY... ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
What:
For the Wind Advisory, southwest to west winds 30 to 35 mph
with gusts up to 55 mph expected. For the Freeze Warning,
sub-freezing temperatures between 24 and 28 expected.
Where:
Central Highlands, Far Northeast Highlands, and Northeast
Highlands.
When:
For the Wind Advisory, until 6 PM MDT this evening. For the
Freeze Warning, from midnight tonight to 9 AM MDT Saturday.
Impacts:
Gusty winds will blow around unsecured objects. Tree
limbs may be blown down. Expect strong crosswinds on area roadways.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.
Instructions:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Central Highlands
Far Northeast Highlands
Northeast Highlands
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.003.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY
What:
Sub-freezing temperatures between 28 and 32 expected. The
coldest temperatures will be over the west mesa and along the
valley floor.
Where:
Middle Rio Grande Valley including the Albuquerque Metro
Area, and San Agustin Plains and Adjacent Lowlands.
When:
From midnight tonight to 9 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Middle Rio Grande Valley/Albuquerque Metro Area
San Agustin Plains and Adjacent Lowlands
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.001.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
WIND ADVISORY NOW IN EFFECT UNTIL 3 AM MDT SATURDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY
What:
For the Wind Advisory, southwest to west today then north
winds 30 to 35 mph with gusts up to 55 mph expected tonight. For
the Freeze Warning, sub-freezing temperatures between 24 and 28
expected.
Where:
Eastern San Miguel County.
When:
For the Wind Advisory, until 3 AM MDT Saturday. For the
Freeze Warning, from midnight tonight to 9 AM MDT Saturday.
Impacts:
Gusty winds will blow around unsecured objects. Tree
limbs may be blown down. Expect strong crosswinds on area roadways.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.
Instructions:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Eastern San Miguel County
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.002.2
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY
What:
Sub-freezing temperatures between 22 and 28 expected.
Where:
Estancia Valley, South Central Highlands, Guadalupe County,
Espanola Valley, Santa Fe Metro Area, and Northwest Plateau.
When:
From midnight tonight to 9 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Northwest Plateau
Espanola Valley
Santa Fe Metro Area
Estancia Valley
South Central Highlands
Guadalupe County
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.006.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY... ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 AM MDT SATURDAY
What:
For the Wind Advisory, north winds 30 to 40 mph with gusts
up to 55 mph expected. For the Freeze Warning, sub-freezing
temperatures between 24 and 28 expected.
Where:
Quay County and Union County.
When:
For the Wind Advisory, from 6 PM this evening to 3 AM MDT
Saturday. For the Freeze Warning, from midnight tonight to 9 AM MDT
Saturday.
Impacts:
Gusty winds will blow around unsecured objects. Tree
limbs may be blown down. Expect strong crosswinds on area roadways.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.
Instructions:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Union County
Quay County
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.005.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Albuquerque NM
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY... ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM MDT SATURDAY
What:
For the Wind Advisory, southwest to west today then becoming
north 30 to 35 mph tonight with gusts up to 55 mph expected. For
the Freeze Warning, sub-freezing temperatures between 24 and 28
expected.
Where:
Harding County.
When:
For the Wind Advisory, until 3 AM MDT Saturday. For the
Freeze Warning, from midnight tonight to 9 AM MDT Saturday.
Impacts:
Gusty winds will blow around unsecured objects. Tree
limbs may be blown down. Expect strong crosswinds on area roadways.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.
Instructions:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing, wrap, drain or allow them to
drip slowly.
Areas Impacted:
Harding County
b0ef6eea3908f02aee445d3fcd9a125be532a4b0.004.1
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Hastings NE
FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
What:
Sub-freezing temperatures as low as 20 to 25 in the
Lexington to Ord area and 27 to 31 in the Tri-Cities.
Where:
Portions of north central Kansas and central, east
central, and south central Nebraska.
When:
From 1 AM to 9 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Additional Details:
as low as 25 expected.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Phillips
Smith
Rooks
Valley
Greeley
Nance
Sherman
Howard
Merrick
Polk
Dawson
Buffalo
Hall
Hamilton
Gosper
Phelps
Kearney
Adams
Clay
Furnas
Harlan
Franklin
Webster
d9fb6b9f25c518ac8dcfa646449316e52232caf6.001.2
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Hastings NE
FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
What:
Sub-freezing temperatures as low as 30 expected.
Where:
In Kansas, Jewell, Mitchell, and Osborne Counties. In
Nebraska, York, Fillmore, Nuckolls, and Thayer Counties.
When:
From 1 AM to 9 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Jewell
Osborne
Mitchell
York
Fillmore
Nuckolls
Thayer
d9fb6b9f25c518ac8dcfa646449316e52232caf6.002.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 8:00 AM MDT
Issued by NWS Goodland KS
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT SATURDAY
What:
Sub-freezing temperatures as low as 21 expected.
Where:
Cheyenne CO, Kit Carson, and Yuma Counties.
When:
From midnight tonight to 8 AM MDT Saturday.
Impacts:
Sub-freezing temperatures may kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold. Drain
in-ground sprinkler systems and cover above ground pipes. To
prevent water pipes from freezing, insulate or drain or allow them
to drip slowly.
Areas Impacted:
Yuma County
Kit Carson County
Cheyenne County
a7daf3cd944d2889ee914bcaa9699efe531655cc.001.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 8:00 AM MDT
Issued by NWS Goodland KS
FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 9 AM CDT /8 AM MDT/ SATURDAY
What:
Sub-freezing temperatures as low as 23 expected.
Where:
Portions of northwest Kansas and southwest Nebraska.
When:
From 1 AM CDT /midnight MDT/ to 9 AM CDT /8 AM MDT/
Saturday.
Impacts:
Sub-freezing temperatures may kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold. Drain
in-ground sprinkler systems and cover above ground pipes. To
prevent water pipes from freezing, insulate or drain or allow them
to drip slowly.
Areas Impacted:
Cheyenne
Rawlins
Decatur
Norton
Sherman
Thomas
Sheridan
Graham
Wallace
Logan
Gove
Greeley
Wichita
Dundy
Hitchcock
Red Willow
a7daf3cd944d2889ee914bcaa9699efe531655cc.002.1
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Dodge City KS
FREEZE WARNING IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 9 AM CDT /8 AM MDT/ SATURDAY
What:
Sub-freezing temperatures as low as 27 expected.
Where:
Portions of southwest and west central Kansas.
When:
From 1 AM CDT /midnight MDT/ to 9 AM CDT /8 AM MDT/
Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Trego
Scott
Lane
Ness
Hamilton
Kearny
Finney
Stanton
Grant
Haskell
Gray
Morton
Stevens
Seward
569e278200eb002a345dba6fb083c5c121fe0ff6.001.2
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Dodge City KS
FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
What:
Sub-freezing temperatures as low as 32 expected.
Where:
Ford, Hodgeman, and Meade Counties.
When:
From 1 AM to 9 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Hodgeman
Ford
Meade
569e278200eb002a345dba6fb083c5c121fe0ff6.002.2
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Dodge City KS
FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
What:
Sub-freezing temperatures as low as 31 expected.
Where:
Ellis, Rush, Edwards, Pawnee, and Clark Counties.
When:
From 1 AM to 9 AM CDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Ellis
Rush
Pawnee
Edwards
Clark
569e278200eb002a345dba6fb083c5c121fe0ff6.003.1
Freeze Warning
In effect: Friday, Apr 17 2026 9:00 PM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS North Platte NE
FREEZE WARNING IN EFFECT FROM 9 PM CDT /8 PM MDT/ THIS EVENING TO 9 AM CDT /8 AM MDT/ SATURDAY
What:
Sub-freezing temperatures as low as 20 expected.
Where:
Portions of central, north central, panhandle, southwest,
and west central Nebraska.
When:
From 9 PM CDT /8 PM MDT/ this evening to 9 AM CDT /8 AM
MDT/ Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Areas Impacted:
Garden
Grant
Hooker
Thomas
Arthur
McPherson
Logan
Custer
Deuel
Keith
Perkins
Lincoln
Chase
Hayes
Frontier
1efb8239951a45ce645c6f304f85c6e094cf6dcb.001.2
Freeze Warning
In effect: Friday, Apr 17 2026 8:00 PM MDT – Saturday, Apr 18 2026 12:00 PM MDT
Issued by NWS Salt Lake City UT
FREEZE WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON MDT SATURDAY
What:
Widespread lows in the upper 20s, with temperatures falling
to the low 20s in eastern Box Elder County, the western Uinta
Basin, Castle Country, and west central and southwest Utah, and to
the mid to upper teens in the Sanpete and Sevier Valleys.
Where:
Portions of central, northern, southern, and southwest
Utah.
When:
For the first Freeze Warning, until noon MDT today. For the
second Freeze Warning, from 8 PM this evening to noon MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and damage unprotected outdoor plumbing.
Instructions:
Take steps now to protect tender plants from the cold.

Drain in-ground sprinkler systems and cover above ground pipes.
Areas Impacted:
Tooele and Rush Valleys
Eastern Box Elder County
Northern Wasatch Front
Salt Lake Valley
Utah Valley
Western Uinta Basin
Western Millard and Juab Counties
Eastern Juab/Millard Counties
Sanpete Valley
Sevier Valley
Castle Country
San Rafael Swell
Southwest Utah
Capitol Reef National Park and Vicinity
Western Canyonlands
5664e417676f0aa10a88cb081f5855931f3f7f9d.002.2
Freeze Warning
In effect: Friday, Apr 17 2026 8:59 AM MDT – Friday, Apr 17 2026 12:00 PM MDT
Issued by NWS Salt Lake City UT
FREEZE WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON MDT SATURDAY
What:
Widespread lows in the upper 20s, with temperatures falling
to the low 20s in eastern Box Elder County, the western Uinta
Basin, Castle Country, and west central and southwest Utah, and to
the mid to upper teens in the Sanpete and Sevier Valleys.
Where:
Portions of central, northern, southern, and southwest
Utah.
When:
For the first Freeze Warning, until noon MDT today. For the
second Freeze Warning, from 8 PM this evening to noon MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and damage unprotected outdoor plumbing.
Instructions:
Take steps now to protect tender plants from the cold.

Drain in-ground sprinkler systems and cover above ground pipes.
Areas Impacted:
Tooele and Rush Valleys
Eastern Box Elder County
Northern Wasatch Front
Salt Lake Valley
Utah Valley
Western Uinta Basin
Western Millard and Juab Counties
Eastern Juab/Millard Counties
Sanpete Valley
Sevier Valley
Castle Country
San Rafael Swell
Southwest Utah
Capitol Reef National Park and Vicinity
Western Canyonlands
5664e417676f0aa10a88cb081f5855931f3f7f9d.002.1
Freeze Warning
In effect: Friday, Apr 17 2026 10:00 PM MDT – Saturday, Apr 18 2026 8:00 AM MDT
Issued by NWS Pueblo CO
FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM MDT SATURDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY MORNING
What:
For the Freeze Warning, sub-freezing temperatures in the
teens on Monument Hill to the 20s across the remainder of the
southeast plains. For the Freeze Watch, sub-freezing temperatures
in the mid 20s to lower 30s possible.
Where:
Portions of central, east central, and southeast Colorado.
When:
For the Freeze Warning, from 10 PM this evening to 8 AM MDT
Saturday. For the Freeze Watch, from Saturday evening through
Sunday morning.
Impacts:
Freeze conditions will kill sensitive vegetation and
damage unprotected outdoor plumbing, including sprinkler systems
and swamp coolers.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Canon City Vicinity/Eastern Fremont County
Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Ft
Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below 7400 Ft
Pueblo Vicinity/Pueblo County Below 6300 Feet
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft
Trinidad Vicinity/Western Las Animas County Below 7500 Ft
Crowley County
La Junta Vicinity/Otero County
Eastern Las Animas County
Western Kiowa County
Eastern Kiowa County
Las Animas Vicinity/Bent County
Lamar Vicinity/Prowers County
Springfield Vicinity/Baca County
8b5f8bca66266fde550112cd80e1244e148c0315.001.1
Freeze Warning
In effect: Saturday, Apr 18 2026 1:00 AM CDT – Saturday, Apr 18 2026 9:00 AM CDT
Issued by NWS Amarillo TX
WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM CDT SATURDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING
What:
For the Wind Advisory, north winds 30 to 40 mph with gusts
up to 55 mph expected. For the Freeze Watch, sub-freezing
temperatures as low as 29 possible.
Where:
In Oklahoma, Cimarron and Texas Counties. In Texas,
Dallam, Hartley, and Sherman Counties.
When:
For the Wind Advisory, from 7 PM this evening to 7 AM CDT
Saturday. For the Freeze Warning, from 1 AM to 9 AM CDT Saturday.
For the Freeze Watch, from late Saturday night through Sunday
morning.
Impacts:
Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.
Instructions:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Take steps now to protect tender plants from the cold.
Areas Impacted:
Cimarron
Texas
Dallam
Sherman
Hartley
05f97d13c85cbc64120614b11540e60549ef5b4b.001.1
Freeze Warning
In effect: Friday, Apr 17 2026 5:41 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the low to mid 20s
expected.
Where:
Lander Foothills and Wind River Basin.
When:
Until 9 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing such as sprinkler systems.
Additional Details:
The coldest temperatures are expected to
occur for a period of time before sunrise on Friday and Saturday
mornings.
Instructions:
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
Wind River Basin
Lander Foothills
fed1c73797463928712098b184f67d898169bb25.003.1
Freeze Warning
In effect: Friday, Apr 17 2026 5:41 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the upper teens to
low 20s expected.
Where:
Southwest Bighorn Basin and Cody Foothills.
When:
Until 9 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing such as sprinkler systems.
Additional Details:
The coldest temperatures are expected to
occur for a period of time before sunrise on Friday and Saturday
mornings.
Instructions:
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
Cody Foothills
Southwest Bighorn Basin
fed1c73797463928712098b184f67d898169bb25.001.1
Freeze Warning
In effect: Friday, Apr 17 2026 5:41 AM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the mid to upper 20s
expected.
Where:
Southeast Bighorn Basin and North Bighorn Basin.
When:
Until 9 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing such as sprinkler systems.
Additional Details:
The coldest temperatures are expected to
occur for a period of time before sunrise on Friday and Saturday
mornings.
Instructions:
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
North Bighorn Basin
Southeast Bighorn Basin
fed1c73797463928712098b184f67d898169bb25.002.1
Freeze Warning
In effect: Friday, Apr 17 2026 8:00 PM MDT – Saturday, Apr 18 2026 8:00 AM MDT
Issued by NWS Denver CO
FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MDT SATURDAY
What:
Prolonged sub-freezing temperatures dropping down into the
18 to 24 degree range.
Where:
All of the Front Range Urban Corridor and northeast plains
of Colorado.
When:
From 8 PM this evening to 8 AM MDT Saturday.
Impacts:
If not drained or protected, damage to above ground
irrigation lines will be likely. A hard freeze could kill sensitive
vegetation and damage fruit trees.
Instructions:
Disconnect water hoses.

Drain above ground irrigation lines.

Take steps now to protect tender plants from the cold.
Areas Impacted:
Larimer County Below 6000 Feet/Northwest Weld County
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County
Elbert/Central and East Douglas Counties Above 6000 Feet
Northeast Weld County
Central and South Weld County
Morgan County
Central and East Adams and Arapahoe Counties
North and Northeast Elbert County Below 6000 Feet/North Lincoln County
Southeast Elbert County Below 6000 Feet/South Lincoln County
Logan County
Washington County
Sedgwick County
Phillips County
813504a987b9662adf489950f2bf47630d4bc187.001.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 10:00 AM MDT
Issued by NWS Pocatello ID
FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM MDT SATURDAY
What:
Sub-freezing temperatures 18 to 22 degrees are forecast for
this morning. A Hard Freeze is expected. For the second freeze
warning, another widespread Hard Freeze is likely with lows 20 to
27 degrees.
Where:
Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
Desert, Lower Snake River Plain, and Upper Snake River Plain.
When:
For the first Freeze Warning, until 10 AM MDT this morning.
For the second Freeze Warning, from midnight tonight to 10 AM MDT
Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Shoshone/Lava Beds
Arco/Mud Lake Desert
Upper Snake River Plain
Lower Snake River Plain
Eastern Magic Valley
86fea9f1323428d19d3eebd8589c7623e1583bcd.001.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 10:00 AM MDT
Issued by NWS Grand Junction CO
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO 10 AM MDT SATURDAY
What:
Sub-freezing temperatures as low as 22 expected.
Where:
In Colorado, Grand Valley, Central Gunnison and
Uncompahgre River Basin, Paradox Valley/Lower Dolores River,
Four Corners/Upper Dolores River, Animas River Basin and San
Juan River Basin Counties. In Utah, Southeast Utah,
Arches/Grand Flat and Canyonlands/Natural Bridges Counties.
When:
From midnight Friday night to 10 AM MDT Saturday.
Impacts:
Frost and freeze conditions will kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.
Areas Impacted:
Grand Valley
Central Gunnison and Uncompahgre River Basin
Paradox Valley/Lower Dolores River
Four Corners/Upper Dolores River
Animas River Basin
San Juan River Basin
Southeast Utah
Arches/Grand Flat
Canyonlands/Natural Bridges
630d6724544dd179b77cede77d39256dc78d49e4.002.1
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 10:00 AM MDT
Issued by NWS Grand Junction CO
FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT FRIDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO 10 AM MDT SATURDAY
What:
For the first Freeze Warning, sub-freezing temperatures
as low as 19 expected. For the second Freeze Warning, sub-
freezing temperatures as low as 18 expected.
Where:
In Colorado, Lower Yampa River Basin, Central Yampa
River Basin, Debeque to Silt Corridor and Central Colorado
River Basin Counties. In Utah, Eastern Uinta Basin County.
When:
For the first Freeze Warning, until 10 AM MDT Friday.
For the second Freeze Warning, from midnight Friday night to
10 AM MDT Saturday.
Impacts:
Frost and freeze conditions will kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.
Areas Impacted:
Lower Yampa River Basin
Central Yampa River Basin
Debeque to Silt Corridor
Central Colorado River Basin
Eastern Uinta Basin
630d6724544dd179b77cede77d39256dc78d49e4.001.2
Freeze Warning
In effect: Saturday, Apr 18 2026 12:00 AM MDT – Saturday, Apr 18 2026 10:00 AM MDT
Issued by NWS Boise ID
FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT /9 AM PDT/ FRIDAY... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/ FRIDAY NIGHT TO 10 AM MDT /9 AM PDT/ SATURDAY
What:
For the first Freeze Warning, sub-freezing temperatures as
low as 22 expected. For the second Freeze Warning, sub-freezing
temperatures as low as 26 expected.
Where:
Portions of south central and southwest Idaho and
southeast Oregon.
When:
For the first Freeze Warning, until 10 AM MDT /9 AM PDT/
Friday. For the second Freeze Warning, from midnight MDT /11 PM
PDT/ Friday Night to 10 AM MDT /9 AM PDT/ Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Areas Impacted:
Lower Treasure Valley
Upper Treasure Valley
Western Magic Valley
Oregon Lower Treasure Valley
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