Winter Weather Advisory
Status
New Event ExpiredStart Time
Mon 05/12/2025 10:00 PM EDTEnd Time
Tue 05/13/2025 11:00 AM EDTSignificance
AdvisoryImpacts
Moderate impact
Locations Affected
Lower Red Rock Lake, MT ∙ Homer Youngs Peak, MT ∙ Big Sky, MT ∙ Rader Creek, MT ∙ Ramshorn Peak, MT ∙ Crow Peak, MT ∙ Cliff Lake, MT ∙ Hebgen Lake Estates, MT ∙ Beaverhead National Forest, MT ∙ Jefferson City, MTFull Alert Message
URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 312 AM MDT Mon May 12 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM MDT TUESDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches above 7000 feet. Isolated higher amounts around Pony. * WHERE...The Mountains of Southwestern Montana south of Interstate 90, and Elkhorn and Boulder Mountains. * WHEN...From 8 PM this evening to 9 AM MDT Tuesday. * IMPACTS...Higher mountain passes will likely become snow covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling.
Technical Header
MTZ322-327-329-330-122300- /O.NEW.KTFX.WW.Y.0038.250513T0200Z-250513T1500Z/ Elkhorn and Boulder Mountains-Northwest Beaverhead County-Ruby Mountains and Southern Beaverhead Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Boulder, Raynolds Pass, Elk Park Pass, Clancy, Montana City, Chief Joseph Pass, Wise River, Dewey, Wisdom, Homestake Pass, West Yellowstone, Targhee Pass, Big Sky, Big Hole Pass, Wickes, Monida Pass, and Corbin 312 AM MDT Mon May 12 2025