High Wind Warning

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
149 AM MST Mon Dec 8 2025

WYZ019-020-022-027>030-090000-
/O.UPG.KRIW.HW.A.0010.251209T0600Z-251211T1200Z/
/O.NEW.KRIW.HW.W.0013.251209T0600Z-251211T1200Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-South Lincoln County-Rock Springs and
Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Green River, Wamsutter, Kemmerer, Casper,
Cokeville, Jeffrey City, and Rock Springs
149 AM MST Mon Dec 8 2025

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST
THURSDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.
  Gusts to 70 mph are possible in Sweetwater County.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range,
  Natrona County Lower Elevations, East Sweetwater County, Flaming
  Gorge, Rock Springs and Green River, and South Lincoln County.

* WHEN...From 11 PM this evening to 5 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain in the lower levels of your home during the windstorm, and
avoid windows. Watch for falling debris and tree limbs. Use caution
if you must drive.

&&

$$

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

Hattings

Local Area Emergency

IDC005-029-081602-

BULLETIN - EAS ACTIVATION REQUESTED
Local Area Emergency
ID Idaho Office of Emergency Management 1
Relayed by National Weather Service Pocatello ID
302 AM MST Mon Dec 8 2025

...Endangered Missing Person Alert...

The following message is transmitted at the request of Idaho
Office of Emergency Management 1.

This is an activation of the Endangered Missing Person Alert
system.  The Bannock County Sheriff is looking for a missing
person who was last seen at Lone Pine Road and Gay Mine Road and
is believed to be in danger. He is an 84 year old male and was
last seen wearing a blue suit jacket tan slacks and cowboy boots.
If you have any information on the where abouts of this missing
person please contact the Bannock County Sheriff at 2 0 8 2 3 6 7
1 1 1 immediately.

$$

AS-ID-6246d0b4-9c6a-4787-b154-a128ddca59b2/AlertSense

Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
202 AM MST Mon Dec 8 2025

WYZ014-015-024-090015-
/O.NEW.KRIW.WS.A.0010.251209T1200Z-251211T0000Z/
Wind River Mountains West-Wind River Mountains East-Salt River
and Wyoming Ranges-
202 AM MST Mon Dec 8 2025

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 16
  inches possible. Winds could gust as high as 50 mph.

* WHERE...Wind River Mountains East, Wind River Mountains West, and
  Salt River and Wyoming Ranges.

* WHEN...From late tonight through Wednesday afternoon.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact the Tuesday morning and evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

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

Hattings

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
315 AM MST Mon Dec 8 2025

WYZ001>020-022>030-091400-
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-
315 AM MST Mon Dec 8 2025

...Winter Storm Watches and Warnings in effect for most of the
western mountains tonight through Wednesday...

...High Wind Warning in effect across southern Wyoming and Natrona
County from late tonight through Wednesday night...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Mainly light snow in the mountains. Heavier snow moving back into
the northern mountains tonight. Please see Winter Weather Products
and forecasts for details.

Strong to high wind developing from Kemmerer through Rock Springs
and into Natrona County. Please see High Wind Warnings for
details.

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

Tuesday and Wednesday...Snow likely in the western and northern
mountains. Strong to high wind continuing in southern Wyoming.

Thursday night and Friday...Another chance for snow in the
northern mountains.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$