Winter Weather Warnings / Watches / Advisories
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
471 WWUS45 KTFX 060018 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 518 PM MST Fri Dec 5 2025 MTZ317-320-330-061315- /O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: West Yellowstone, Trident, Monarch, Battle Ridge Pass, Neihart, Bozeman Pass, Raynolds Pass, Kings Hill Pass, Big Sky, Targhee Pass, Maudlow, and Deep Creek Pass 518 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 4 and 11 inches. Isolated higher amounts. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significant travel impacts to the Friday evening commute are possible for Bozeman Pass and along Highway 191 south of Bozeman. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-061315- /O.CON.KTFX.WS.W.0019.000000T0000Z-251207T0000Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Wise River, Dewey, Chief Joseph Pass, and Big Hole Pass 518 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 5 and 13 inches. Isolated higher amounts. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ315-061315- /O.EXA.KTFX.WW.Y.0053.000000T0000Z-251206T1800Z/ Upper Blackfoot and MacDonald Pass- Including the following locations: MacDonald Pass, Marysville, Lincoln, and Flesher Pass 518 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 7 inches, with higher amounts above pass level. Winds gusting as high as 45 mph. * WHERE...Upper Blackfoot and MacDonald Pass. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ301-307-061315- /O.CON.KTFX.WW.Y.0053.000000T0000Z-251207T0400Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: East Glacier Park, Babb, Marias Pass, Logan Pass, Saint Mary, Rogers Pass, and Kiowa 518 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. Isolated higher amounts. Winds gusting as high as 55 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 9 PM MST Saturday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Blowing snow could significantly reduce visibility. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ322-061315- /O.CON.KTFX.WW.Y.0053.000000T0000Z-251206T1800Z/ Elkhorn and Boulder Mountains- Including the following locations: Corbin, Boulder, Montana City, Clancy, Elk Park Pass, Wickes, and Homestake Pass 518 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ304>306-310-311-314-318-061315- /O.CON.KTFX.WW.Y.0053.251206T0200Z-251206T1800Z/ Eastern Toole and Liberty-Hill County-Northern Blaine County- Western and Central Chouteau County-Bears Paw Mountains and Southern Blaine-Fergus County below 4500ft-Snowy and Judith Mountains- Including the following locations: Harlem, Whitlash, Chester, Havre, Floweree, Hilger, Lewistown, Lothair, Shelby, Fort Belknap, Rocky Boy, Zurich, Galata, Fort Benton, Chinook, Devon, Joplin, Hogeland, and Carter 518 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations and up to 8 inches in the mountains. * WHERE...Portions of central and north central Montana. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ AM