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WWUS45 KRIW 240441
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1041 PM MDT Thu Apr 23 2026

WYZ001-002-008-009-012-024-240545-
/O.EXP.KRIW.WW.Y.0016.000000T0000Z-260424T0500Z/
Yellowstone National Park-Absaroka Mountains-Bighorn Mountains
West-Bighorn Mountains Southeast-Teton and Gros Ventre Mountains-
Salt River and Wyoming Ranges-
Including the cities of Mammoth, Lake, and Old Faithful
1041 PM MDT Thu Apr 23 2026

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MDT THIS EVENING...

The threat has ended with some lingering light snow accumulations
expected overnight into Friday morning.

$$

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

Lowe