194
WWUS45 KRIW 160858
WSWRIW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
258 AM MDT SAT MAY 16 2026
WYZ015-170000-
/O.NEW.KRIW.WS.A.0006.260518T0000Z-260519T0000Z/
WIND RIVER MOUNTAINS EAST-
258 AM MDT SAT MAY 16 2026
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 8 AND
16 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 45 MPH.
* WHERE...WIND RIVER MOUNTAINS EAST.
* WHEN...FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE MONDAY MORNING AND EVENING COMMUTES, INCLUDING
OVER SOUTH PASS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WYZ019-170000-
/O.NEW.KRIW.WS.A.0006.260518T0000Z-260519T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITIES OF JEFFREY CITY
258 AM MDT SAT MAY 16 2026
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND
10 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 50 MPH.
* WHERE...GREEN MOUNTAINS AND RATTLESNAKE RANGE.
* WHEN...FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON.
* IMPACTS...TRAVEL COULD BE DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE MONDAY MORNING AND EVENING COMMUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
WYZ022-170000-
/O.NEW.KRIW.WS.A.0006.260518T0000Z-260519T0000Z/
CASPER MOUNTAIN-
258 AM MDT SAT MAY 16 2026
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 7 AND
14 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 40 MPH.
* WHERE...CASPER MOUNTAIN.
* WHEN...FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON.
* IMPACTS...TRAVEL COULD BE DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE MONDAY 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/ .
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