Watches, Warnings & Advisories



2 products issued by NWS for: Casper WY

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
608 AM MDT Wed Mar 11 2026

WYZ001>020-022>030-121615-
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-
608 AM MDT Wed Mar 11 2026

...WINTER STORM WATCHES IN EFFECT FOR WESTERN MOUNTAINS FROM THIS
EVENING THROUGH SATURDAY AFTERNOON...
...HIGH WIND WARNINGS IN EFFECT FOR THE ABSAROKAS AND EASTERN WIND
RIVER RANGE FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT THURSDAY NIGHT...
...HIGH WIND WARNINGS IN EFFECT FOR THE CODY FOOTHILLS AND CASPER MTN
FROM 3 AM THURSDAY TO MIDNIGHT MDT THURSDAY NIGHT...
...HIGH WIND WARNINGS IN EFFECT FOR LOWER ELEVATIONS EAST OF THE
DIVIDE FROM 9 AM TO 9 PM MDT THURSDAY...
...HIGH WIND WATCHES REMAIN IN EFFECT FOR THE EASTERN BIGHORN BASIN
AND JOHNSON COUNTY FROM THURSDAY MORNING THROUGH THURSDAY EVENING...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Near seasonable temperatures and breezy to gusty winds of 30 to 45
mph mainly across western WY, southern WY, and the Wind Corridor from
Casper to Rock Springs. Showers begin to enter western/northwestern
WY this evening with coverage spreading through the late evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday Through Saturday...Widespread wind gusts of 55 to 65 mph
look to impact much of the forecast area. Hazardous travel
conditions are likely across mountain passes in northern and central
WY, where strong wind gusts in excess of 80 mph will be possible. A
prolonged period of heavy wet mountain snow is expected to begin
Thursday with the greatest impacts across northern mountains,
especially the Absarokas. A cold front passage may bring chances for
light snowfall across the lower elevations east of the Divide
Saturday afternoon/evening.

.SPOTTER INFORMATION STATEMENT...

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

$$




High Wind Warning

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
301 AM MDT Wed Mar 11 2026

WYZ019-020-120115-
/O.UPG.KRIW.HW.A.0008.260312T0900Z-260313T0600Z/
/O.NEW.KRIW.HW.W.0008.260312T0900Z-260313T0600Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-
Including the cities of Jeffrey City and Casper
301 AM MDT Wed Mar 11 2026

...HIGH WIND WARNING IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT...

* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.

* WHERE...Green Mountains and Rattlesnake Range and Natrona County
  Lower Elevations.

* WHEN...From 3 AM Thursday to midnight MDT Thursday Night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive. Secure loose objects.

&&

$$