Winter Storm Warning
Status
Event Continued Active alertStart Time
Thu 12/11/2025 07:00 PM ESTEnd Time
Fri 12/12/2025 10:00 PM ESTSignificance
WarningImpacts
High impact
Locations Affected
Billings, MT ∙ Park City, MT ∙ Myers, MT ∙ Twodot, MT ∙ Roundup, MT ∙ Forsyth, MT ∙ Hedgesville, MT ∙ Musselshell, MT ∙ Brandenberg, MT ∙ Halfbreed Lake National Wildlife Refuge, MTFull Alert Message
URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 155 PM MST Thu Dec 11 2025 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 9 inches. * WHERE...Portions of south central and southeast Montana. * WHEN...From 5 PM this afternoon to 8 PM MST Friday. * IMPACTS...Travel will be very difficult with slick and snow covered roads, and areas of poor visibility. * ADDITIONAL DETAILS...Rapidly falling temperatures combined with rain changing to snow may result in a flash freeze on roadways this evening. Travel may become treacherous during this time. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions, call 5 1 1.
Technical Header
MTZ034-057-058-138-141-172-235-122100- /O.CON.KBYZ.WS.W.0019.251212T0000Z-251213T0300Z/ Northern Stillwater-Northern Big Horn-Southern Rosebud-Southern Big Horn-Northern Sweet Grass-Melville Foothills-Southwestern Yellowstone- Including the locations of Hardin, Absarokee, Lodge Grass, Park City, Busby, Huntley, Big Timber, Crow Agency, Melville, Pryor, Broadview, Birney, Columbus, Lame Deer, Ashland, Reed Point, Laurel, Wyola, Billings, and Rapelje 155 PM MST Thu Dec 11 2025