Severe Center
United States Warnings, Watches, And Advisories Freeze Warning
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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 NOW IN EFFECT FROM 10 PM FRIDAY TO 8 AM MDT SATURDAY... ...FREEZE WATCH 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.
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:
All of the southeast plains.
All of the southeast plains.
When:
For the Freeze Warning, from 10 PM Friday to 8 AM MDT
Saturday. For the Freeze Watch, from Saturday evening through
Sunday morning.
For the Freeze Warning, from 10 PM Friday 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.
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.
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
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 FRIDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM FRIDAY 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.
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:
Most Utah valleys.
Most Utah valleys.
When:
For the first Freeze Warning, until noon MDT Friday. For
the second Freeze Warning, from 8 PM Friday to noon MDT Saturday.
For the first Freeze Warning, until noon MDT Friday. For
the second Freeze Warning, from 8 PM Friday to noon MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Drain in-ground sprinkler systems and cover above ground pipes.
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
Freeze Warning
In effect:
Thursday, Apr 16 2026 10:36 PM MDT – Friday, Apr 17 2026 12:00 PM MDT
Issued by NWS Salt Lake City UT
FREEZE WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM FRIDAY 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.
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:
Most Utah valleys.
Most Utah valleys.
When:
For the first Freeze Warning, until noon MDT Friday. For
the second Freeze Warning, from 8 PM Friday to noon MDT Saturday.
For the first Freeze Warning, until noon MDT Friday. For
the second Freeze Warning, from 8 PM Friday to noon MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Drain in-ground sprinkler systems and cover above ground pipes.
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
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 IN EFFECT FROM 7 PM FRIDAY TO 7 AM CDT SATURDAY... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... ...FREEZE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING
What:
For the Wind Advisory, north winds 25 to 35 mph with gusts
up to 55 mph expected. For the Freeze Warning, sub-freezing
temperatures as low as 29 expected. For the Freeze Watch,
sub-freezing temperatures as low as 28 possible.
For the Wind Advisory, north winds 25 to 35 mph with gusts
up to 55 mph expected. For the Freeze Warning, sub-freezing
temperatures as low as 29 expected. For the Freeze Watch,
sub-freezing temperatures as low as 28 possible.
Where:
In Oklahoma, Cimarron and Texas Counties. In Texas,
Dallam, Hartley, and Sherman Counties.
In Oklahoma, Cimarron and Texas Counties. In Texas,
Dallam, Hartley, and Sherman Counties.
When:
For the Wind Advisory, from 7 PM Friday 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.
For the Wind Advisory, from 7 PM Friday 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.
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.
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
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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
Freeze Warning
In effect:
Friday, Apr 17 2026 12:00 AM MDT – Friday, Apr 17 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.
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.
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.
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.
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.
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
Freeze Warning
In effect:
Friday, Apr 17 2026 2:00 AM PDT – Friday, Apr 17 2026 9:00 AM PDT
Issued by NWS Eureka CA
FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT FRIDAY
What:
Sub-freezing temperatures as low as 26 expected.
Sub-freezing temperatures as low as 26 expected.
Where:
Humboldt Interior, Northern Mendocino Interior, Interior
Del Norte, Southern Trinity, Northern Lake, Northwestern and
Central Trinity, Northeastern Trinity, and Western Lake.
Humboldt Interior, Northern Mendocino Interior, Interior
Del Norte, Southern Trinity, Northern Lake, Northwestern and
Central Trinity, Northeastern Trinity, and Western Lake.
When:
From 2 AM to 9 AM PDT Friday.
From 2 AM to 9 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Interior Del Norte
Northeastern Interior Humboldt
Southeastern Interior Humboldt
Southern Trinity
Northwestern Interior Mendocino
Northeastern Interior Mendocino
Northern Lake
Northwestern and Central Trinity
Northeastern Trinity
Western Lake
Freeze Warning
In effect:
Friday, Apr 17 2026 2:00 AM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Spokane WA
FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures as low as 27 expected.
Sub-freezing temperatures as low as 27 expected.
Where:
Number 2 Canyon, Lewiston, Harrington, Grand Coulee,
Chelan, Culdesac, Moses Lake, Number 1 Canyon, Gifford, Pomeroy,
Lewiston Grade, Clarkston, Wilbur, Pangborn Airport, Lapwai,
Alpowa Summit, Wenatchee, Quincy, Coulee City, Ritzville, Creston,
Peck, Othello, Entiat, Ephrata, Cashmere, and Odessa.
Number 2 Canyon, Lewiston, Harrington, Grand Coulee,
Chelan, Culdesac, Moses Lake, Number 1 Canyon, Gifford, Pomeroy,
Lewiston Grade, Clarkston, Wilbur, Pangborn Airport, Lapwai,
Alpowa Summit, Wenatchee, Quincy, Coulee City, Ritzville, Creston,
Peck, Othello, Entiat, Ephrata, Cashmere, and Odessa.
When:
From 2 AM to 8 AM PDT Friday.
From 2 AM to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Lewiston Area
Lower Garfield and Asotin Counties
Moses Lake Area
Upper Columbia Basin
Wenatchee Area
Freeze Warning
In effect:
Friday, Apr 17 2026 12:00 AM MDT – Friday, Apr 17 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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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
Freeze Warning
In effect:
Friday, Apr 17 2026 1:00 AM PDT – Friday, Apr 17 2026 9:00 AM PDT
Issued by NWS Portland OR
FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY
What:
Sub-freezing temperatures as low as 25 to 28 degrees
expected.
Sub-freezing temperatures as low as 25 to 28 degrees
expected.
Where:
South Willamette Valley, Foothills of the Northern and
Central Oregon Cascades, West Columbia River Gorge of Oregon above
500 ft, and Upper Hood River Valley.
South Willamette Valley, Foothills of the Northern and
Central Oregon Cascades, West Columbia River Gorge of Oregon above
500 ft, and Upper Hood River Valley.
When:
From 1 AM to 9 AM PDT Friday.
From 1 AM to 9 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Take steps now to protect tender outdoor plants from the cold.
Consider temporarily moving outdoor potted plants indoors if they
are sensitive to cold temperatures.
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Take steps now to protect tender outdoor plants from the cold.
Consider temporarily moving outdoor potted plants indoors if they
are sensitive to cold temperatures.
Areas Impacted:
Benton County Lowlands
Linn County Lowlands
Lane County Lowlands
West Columbia River Gorge of Oregon above 500 ft
Upper Hood River Valley
Clackamas County Cascade Foothills
Cascade Foothills of Marion and Linn Counties
Lane County Cascade Foothills
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 FRIDAY TO 8 AM MDT SATURDAY
What:
Prolonged sub-freezing temperatures dropping down into the
18 to 24 degree range.
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.
All of the Front Range Urban Corridor and northeast plains
of Colorado.
When:
From 8 PM Friday to 8 AM MDT Saturday.
From 8 PM Friday 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.
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:
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.
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:
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
Freeze Warning
In effect:
Thursday, Apr 16 2026 9:00 PM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the mid to upper 20s
expected.
Sub-freezing overnight temperatures in the mid to upper 20s
expected.
Where:
Southeast Bighorn Basin and North Bighorn Basin.
Southeast Bighorn Basin and North Bighorn Basin.
When:
From 9 PM this evening to 9 AM MDT Saturday.
From 9 PM this evening to 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.
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.
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.
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
North Bighorn Basin
Southeast Bighorn Basin
Freeze Warning
In effect:
Thursday, Apr 16 2026 9:00 PM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the upper teens to
low 20s expected.
Sub-freezing overnight temperatures in the upper teens to
low 20s expected.
Where:
Southwest Bighorn Basin and Cody Foothills.
Southwest Bighorn Basin and Cody Foothills.
When:
From 9 PM this evening to 9 AM MDT Saturday.
From 9 PM this evening to 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.
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.
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.
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
Cody Foothills
Southwest Bighorn Basin
Freeze Warning
In effect:
Thursday, Apr 16 2026 9:00 PM MDT – Saturday, Apr 18 2026 9:00 AM MDT
Issued by NWS Riverton WY
FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SATURDAY
What:
Sub-freezing overnight temperatures in the low to mid 20s
expected.
Sub-freezing overnight temperatures in the low to mid 20s
expected.
Where:
Lander Foothills and Wind River Basin.
Lander Foothills and Wind River Basin.
When:
From 9 PM this evening to 9 AM MDT Saturday.
From 9 PM this evening to 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.
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.
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.
Take steps now to protect tender plants from the cold and winterize
sprinkler systems.
Areas Impacted:
Wind River Basin
Lander Foothills
Freeze Warning
In effect:
Friday, Apr 17 2026 3:00 AM MDT – Friday, Apr 17 2026 10:00 AM MDT
Issued by NWS Pocatello ID
FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT FRIDAY
What:
Sub-freezing temperatures 18 to 22 degrees are forecast for
tonight. A Hard Freeze is expected.
Sub-freezing temperatures 18 to 22 degrees are forecast for
tonight. A Hard Freeze is expected.
Where:
Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
Desert, Lower Snake River Plain, and Upper Snake River Plain.
Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
Desert, Lower Snake River Plain, and Upper Snake River Plain.
When:
From 3 AM to 10 AM MDT Friday.
From 3 AM to 10 AM MDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
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
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 IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO 8 AM MDT SATURDAY
What:
Sub-freezing temperatures as low as 20 expected.
Sub-freezing temperatures as low as 20 expected.
Where:
Cheyenne CO, Kit Carson, and Yuma Counties.
Cheyenne CO, Kit Carson, and Yuma Counties.
When:
From midnight Friday Night to 8 AM MDT Saturday.
From midnight Friday Night to 8 AM MDT Saturday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Additional Details:
Due to a warm early spring, green-up is
occurring 2 to 4 weeks earlier than climatological normals and the
growing season has begun.
Due to a warm early spring, green-up is
occurring 2 to 4 weeks earlier than climatological normals and the
growing season has begun.
Instructions:
Drain in-ground sprinkler systems and cover above ground pipes.
Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; insulate or drain or allow
them to drip slowly.
Drain in-ground sprinkler systems and cover above ground pipes.
Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; insulate or drain or allow
them to drip slowly.
Areas Impacted:
Yuma County
Kit Carson County
Cheyenne County
Freeze Warning
In effect:
Friday, Apr 17 2026 12:00 AM PDT – Friday, Apr 17 2026 11:00 AM PDT
Issued by NWS Medford OR
FREEZE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PDT FRIDAY
What:
For the Frost Advisory, temperatures as low as 34 degrees
will result in frost formation. For the Freeze Warning,
sub-freezing temperatures as low as 25 degrees expected.
For the Frost Advisory, temperatures as low as 34 degrees
will result in frost formation. For the Freeze Warning,
sub-freezing temperatures as low as 25 degrees expected.
Where:
In California, Western Siskiyou County. In Oregon, Eastern
Curry County and Josephine County and Jackson County. This
includes the Illinois, Applegate, Rogue, and Klamath River valleys.
In California, Western Siskiyou County. In Oregon, Eastern
Curry County and Josephine County and Jackson County. This
includes the Illinois, Applegate, Rogue, and Klamath River valleys.
When:
From midnight tonight to 11 AM PDT Friday.
From midnight tonight to 11 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Western Siskiyou County
Eastern Curry County and Josephine County
Jackson County
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 9:00 AM PDT
Issued by NWS Pendleton OR
FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT FRIDAY
What:
Sub-freezing temperatures as low as 28 expected.
Sub-freezing temperatures as low as 28 expected.
Where:
Lower Columbia Basin of Oregon and Washington, Foothills
of the Northern Blue Mountains of Oregon, Kittitas Valley, and
Yakima Valley.
Lower Columbia Basin of Oregon and Washington, Foothills
of the Northern Blue Mountains of Oregon, Kittitas Valley, and
Yakima Valley.
When:
From 11 PM this evening to 9 AM PDT Friday.
From 11 PM this evening to 9 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Lower Columbia Basin of Oregon
Foothills of the Northern Blue Mountains of Oregon
Kittitas Valley
Yakima Valley
Lower Columbia Basin of Washington
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 9:00 AM PDT
Issued by NWS Pendleton OR
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT FRIDAY
What:
Sub-freezing temperatures as low as 28 expected.
Sub-freezing temperatures as low as 28 expected.
Where:
Foothills of the Blue Mountains of Washington.
Foothills of the Blue Mountains of Washington.
When:
From 11 PM this evening to 9 AM PDT Friday.
From 11 PM this evening to 9 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Foothills of the Blue Mountains of Washington
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Reno NV
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures with lows 20 to 25 degrees Friday
morning.
Sub-freezing temperatures with lows 20 to 25 degrees Friday
morning.
Where:
In California, Surprise Valley California. In Nevada,
Northern Washoe County.
In California, Surprise Valley California. In Nevada,
Northern Washoe County.
When:
From 11 PM this evening to 8 AM PDT Friday.
From 11 PM this evening to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Surprise Valley California
Northern Washoe County
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Reno NV
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures with lows 21 to 28 degrees Friday
morning.
Sub-freezing temperatures with lows 21 to 28 degrees Friday
morning.
Where:
Western Nevada Basin and Range including Pyramid Lake.
Western Nevada Basin and Range including Pyramid Lake.
When:
From 11 PM this evening to 8 AM PDT Friday.
From 11 PM this evening to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Western Nevada Basin and Range including Pyramid Lake
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Reno NV
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures with lows 21 to 27 degrees Friday
morning.
Sub-freezing temperatures with lows 21 to 27 degrees Friday
morning.
Where:
Lassen-Eastern Plumas-Eastern Sierra Counties.
Lassen-Eastern Plumas-Eastern Sierra Counties.
When:
From 11 PM this evening to 8 AM PDT Friday.
From 11 PM this evening to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Lassen-Eastern Plumas-Eastern Sierra Counties
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Reno NV
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures with lows 26 to 30 degrees Friday
morning. Outside of urban areas, sub-freezing temperatures with
lows 20 to 25 degrees.
Sub-freezing temperatures with lows 26 to 30 degrees Friday
morning. Outside of urban areas, sub-freezing temperatures with
lows 20 to 25 degrees.
Where:
Greater Reno-Carson City-Minden Area.
Greater Reno-Carson City-Minden Area.
When:
From 11 PM this evening to 8 AM PDT Friday.
From 11 PM this evening to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Greater Reno-Carson City-Minden Area
Freeze Warning
In effect:
Thursday, Apr 16 2026 11:00 PM PDT – Friday, Apr 17 2026 8:00 AM PDT
Issued by NWS Reno NV
FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT FRIDAY
What:
Sub-freezing temperatures with lows 20 to 26 degrees Friday
morning.
Sub-freezing temperatures with lows 20 to 26 degrees Friday
morning.
Where:
Mineral and Southern Lyon Counties.
Mineral and Southern Lyon Counties.
When:
From 11 PM this evening to 8 AM PDT Friday.
From 11 PM this evening to 8 AM PDT Friday.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
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.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Mineral and Southern Lyon Counties