Winter Weather Advisory
Status
Event Continued ExpiredStart Time
Mon 05/12/2025 10:00 PM EDTEnd Time
Tue 05/13/2025 11:00 AM EDTSignificance
AdvisoryImpacts
Moderate impact
Locations Affected
Wisdom, MT ∙ Hebgen Lake, MT ∙ Basin, MT ∙ Hyalite Peak, MT ∙ Garfield Mountain, MT ∙ Sphinx Mountain, MT ∙ Tweedy Mountain, MT ∙ Grouse Mountain, MT ∙ South Hills, MT ∙ Lower Red Rock Lake, MTFull Alert Message
URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 123 PM MDT Mon May 12 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 9 AM MDT TUESDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 8 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
MTZ322-327-329-330-131030- /O.CON.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: Wickes, Corbin, Homestake Pass, West Yellowstone, Boulder, Elk Park Pass, Big Sky, Montana City, Targhee Pass, Raynolds Pass, Clancy, Wise River, Big Hole Pass, Monida Pass, Dewey, Wisdom, and Chief Joseph Pass 123 PM MDT Mon May 12 2025
