WWUS45 KBYZ 110206 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 706 PM MST Wed Dec 10 2025 MTZ033-037-120215- /O.EXT.KBYZ.WW.Y.0040.000000T0000Z-251211T0700Z/ /O.CON.KBYZ.WS.A.0018.251212T0000Z-251213T1800Z/ Fallon-Carter- Including the locations of Ekalaka, Baker, Plevna, Webster, Hammond, Alzada, and Belltower 706 PM MST Wed Dec 10 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT... ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...For the Winter Weather Advisory, mixed precipitation expected. Freezing rain could lead to a light glaze of ice on roadways. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 3 and 7 inches possible. * WHERE...Carter and Fallon. * WHEN...For the Winter Weather Advisory, until midnight MST tonight. For the Winter Storm Watch, from Thursday afternoon through Saturday morning. * IMPACTS...Impacts to travel are possible. For the Winter Weather Advisory, roads are slick and hazardous due to mixed precipitation, including freezing rain. For the Winter Storm Watch, roads may become slick and hazardous due to accumulating snowfall. * ADDITIONAL DETAILS...This includes US-12, Montana 323 and 7. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Monitor the latest forecasts for updates on this situation. && $$ MTZ068-120215- /O.CON.KBYZ.WS.A.0018.251211T2100Z-251213T1800Z/ Crazy Mountains- 706 PM MST Wed Dec 10 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...Periods of heavy snow and blowing snow possible. Total snow accumulations between 10 and 18 inches. Winds could gust as high as 60 mph. * WHERE...Crazy Mountains. * WHEN...From Thursday afternoon through Saturday morning. * IMPACTS...Recreation in the high country may be impacted by heavy accumulating snow and blowing snow. Avalanche danger may increase. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MTZ029>032-034-036-042-057-058-063-138-141-172-173-228-235-120215- /O.CON.KBYZ.WS.A.0018.251212T0000Z-251213T1800Z/ Musselshell-Treasure-Northern Rosebud-Custer-Northern Stillwater- Powder River-Golden Valley-Northern Big Horn-Southern Rosebud- Judith Gap-Southern Big Horn-Northern Sweet Grass-Melville Foothills-Northeastern Yellowstone-Southern Wheatland- Southwestern Yellowstone- Including the locations of Lavina, Judith Gap, Wyola, Busby, Laurel, Sonnette, Hardin, Columbus, Crow Agency, Birney, Broadview, Roundup, Rapelje, Hysham, Lame Deer, Lodge Grass, Absarokee, Ryegate, Shawmut, Ashland, Angela, Huntley, Bighorn, Volborg, Colstrip, Biddle, Musselshell, Pompeys Pillar, Forsyth, Melville, Custer, Twodot, Big Timber, Miles City, Reed Point, Melstone, Ismay, Park City, Ingomar, Billings, Harlowton, Powderville, Broadus, and Pryor 706 PM MST Wed Dec 10 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 10 inches possible. Winds could gust as high as 30 mph. * WHERE...Portions of central, south central, and southeast Montana. * WHEN...From Thursday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult with slick and snow covered roads. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...Rapidly falling temperatures combined with accumulating snow may result in a flash freeze on roadways late Thursday afternoon and evening. Travel may become treacherous during this time. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Chambers