379
WWUS45 KRIW 280006
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
506 PM MST Sat Dec 27 2025

WYZ001-002-012-014-024-280115-
/O.EXP.KRIW.WW.Y.0040.000000T0000Z-251228T0000Z/
Yellowstone National Park-Absaroka Mountains-Teton and Gros
Ventre Mountains-Wind River Mountains West-Salt River and Wyoming
Ranges-
Including the cities of Old Faithful, Mammoth, and Lake
506 PM MST Sat Dec 27 2025

...WINTER WEATHER ADVISORY HAS EXPIRED...

The threat has ended.

$$

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

Lowe