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Freeze Warning


URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1214 PM MDT Sun Jun 22 2025

WYZ013-023-025>027-231400-
/O.CON.KRIW.FZ.W.0001.250623T0600Z-250623T1400Z/
Jackson Hole-Star Valley-Upper Green River Basin Foothills-Upper
Green River Basin-South Lincoln County-
Including the cities of Alpine, Cokeville, Big Piney, Kemmerer,
Thayne, Farson, Jackson, Pinedale, La Barge, Star Valley Ranch,
and Afton
1214 PM MDT Sun Jun 22 2025

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
MDT MONDAY...

* WHAT...Low temperatures 26 to 31, with readings as low as 24
  around Bondurant.

* WHERE...Jackson Hole, South Lincoln County, Star Valley, Upper
  Green River Basin, and Upper Green River Basin Foothills.

* WHEN...From midnight tonight to 8 AM MDT Monday.

* IMPACTS...Freeze conditions could damage sensitive vegetation and
  possibly unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

CNJ


Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
205 AM MDT Mon Jun 23 2025

IDZ051>055-231600-
/O.CON.KPIH.FR.Y.0007.000000T0000Z-250623T1600Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Richfield, Idaho Falls, Blackfoot,
Burley, Mud Lake, Shelley, Heyburn, Shoshone, St. Anthony, INL,
Rexburg, Fort Hall, Pocatello, Oakley, Carey, American Falls,
Rupert, and Craters of the Moon NM
205 AM MDT Mon Jun 23 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING...

* WHAT...Temperatures as low as 28 will result in frost formation.
  the coldest areas will be north of Rexburg.   Most areas will stay
  between 33 and 36 degrees.

* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
  Desert, Lower Snake River Plain, and Upper Snake River Plain.

* WHEN...Until 10 AM MDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Visit weather.gov/pocatello for more information.

GK

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1051 AM MDT Sun Jun 22 2025

IDZ010-231500-
/O.NEW.KMSO.FR.Y.0003.250623T0800Z-250623T1500Z/
Eastern Lemhi County-
1051 AM MDT Sun Jun 22 2025

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM MDT MONDAY...

* WHAT...Temperatures as low as 29 will result in frost formation.

* WHERE...Eastern Lemhi County, especially the areas around Salmon.

* WHEN...From 2 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1051 AM MDT Sun Jun 22 2025

MTZ005-231500-
/O.NEW.KMSO.FR.Y.0003.250623T0800Z-250623T1500Z/
Missoula/Bitterroot Valleys-
1051 AM MDT Sun Jun 22 2025

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM MDT MONDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Missoula/Bitterroot Valleys, especially along the
  Bitterroot and Clark Fork rivers.

* WHEN...From 2 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
310 AM MDT Mon Jun 23 2025

WYZ001>020-022>030-241300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
310 AM MDT Mon Jun 23 2025

...Freeze Warning in effect until 8 am this morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Below freezing temperatures in the western valleys this morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday and Wednesday...A chance of afternoon and evening
thunderstorms along and east of the Continental Divide. Some storms
in Natrona and Johnson Counties could be strong to severe,
especially on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
1136 AM MDT Sun Jun 22 2025

SDZ042>044-046-047-049-076-077-231300-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Southern Oglala Lakota-Southern Jackson-
1136 AM MDT Sun Jun 22 2025 /1236 PM CDT Sun Jun 22 2025/

This Hazardous Weather Outlook is for portions of south central
South Dakota...and southwestern South Dakota.

.DAY ONE...This Afternoon and Tonight

There is a marginal risk (level 1 of 5) of severe thunderstorms
today, meaning that isolated severe storms are possible. The most
likely time will between 400 PM and 1100 PM. Primary hazards
include large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a marginal risk (level 1 of 5) of severe thunderstorms
Tuesday afternoon and evening, meaning that isolated severe
storms are possible. Primary hazards include large hail and
damaging winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Aberdeen SD
1051 AM CDT Sun Jun 22 2025

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-231600-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
1051 AM CDT Sun Jun 22 2025 /951 AM MDT Sun Jun 22 2025/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

Thunderstorm potential will increase this evening/tonight, with a
Slight risk (level 2 of 5) posted for much of the area. Large hail in
excess of 2 inches in diameter is possible across parts of northeast
South Dakota into west central Minnesota. Wind gusts in excess of 60
mph are also possible. There is an isolated tornado potential (2-5%
within 25 miles of a point) across northeast South Dakota and west
central Minnesota.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms return to the forecast Tuesday into Tuesday night, with
a Marginal risk (level 1 of 5) for severe storms across southern
South Dakota, including the I-90 corridor across Lyman/Jones
counties.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.

$$
TMT

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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