WWUS45 KTFX 160443 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1043 PM MDT Wed Apr 15 2026 MTZ330-161945- /O.CON.KTFX.WS.W.0005.000000T0000Z-260417T0600Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, Big Sky, West Yellowstone, and Targhee Pass 1043 PM MDT Wed Apr 15 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT THURSDAY NIGHT... * WHAT...Heavy snow expected. Additional snow accumulations between 4 and 9 inches up to pass level, with 8 to 14 inches in the mountains. Winds gusting up to 40 mph at times. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MDT Thursday Night. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Falling and or blowing snow may significantly reduce visibility. Those in the backcountry should ensure they are prepared for dangerous conditions. Isolated power outages and or tree damage possible. 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. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ301-161800- /O.CON.KTFX.WW.Y.0021.000000T0000Z-260416T1800Z/ East Glacier Park Region- Including the following locations: Saint Mary, Marias Pass, Kiowa, East Glacier Park, Babb, and Logan Pass 1043 PM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT THURSDAY... * WHAT...Snow. Additional snow accumulations of 2 to 5 inches below 6,000 ft and 5 to 10 inches above 6,000 feet. Winds gusting as high as 40 mph at times. * WHERE...East Glacier Park Region Zone. * WHEN...Until noon MDT Thursday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Falling and or blowing snow may significantly reduce visibility. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ307-317-320-161800- /O.CON.KTFX.WW.Y.0021.000000T0000Z-260416T1800Z/ Southern Rocky Mountain Front-Little Belt and Highwood Mountains- Big Belt, Bridger and Castle Mountains- Including the following locations: Maudlow, Deep Creek Pass, Battle Ridge Pass, Neihart, Monarch, Rogers Pass, Kings Hill Pass, Trident, and Bozeman Pass 1043 PM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT THURSDAY... * WHAT...Snow expected. additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Southern Rocky Mountain Front. * WHEN...Until noon MDT Thursday. * IMPACTS...Slushy snow covered roads may make travel difficult. Falling and or blowing snow may significantly reduce visibility. Those in the backcountry should ensure they are prepared for dangerous 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. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ327-161200- /O.CON.KTFX.WW.Y.0021.000000T0000Z-260416T1200Z/ Northwest Beaverhead County- Including the following locations: Chief Joseph Pass, Wise River, Wisdom, Dewey, and Big Hole Pass 1043 PM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY... * WHAT...Snow expected. Additional snow accumulations between 1 and 4 inches near Big hole and Chief Joseph Passes. Winds gusting as high as 40 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 6 AM MDT Thursday. * IMPACTS...Slushy snow covered roads may make travel difficult. Falling and or blowing snow may significantly reduce visibility. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ325-161945- /O.CON.KTFX.WW.Y.0021.260416T0600Z-260417T0000Z/ Madison River Valley- Including the following locations: McAllister, Ennis, Norris, Jeffers, and Cameron 1043 PM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... * WHAT...Snow expected. Total snow accumulations between 1 and 5 inches. * WHERE...Madison River Valley. * WHEN...Until 6 PM MDT Thursday. * IMPACTS...Slushy snow covered roads may make travel difficult, especially Thursday morning. The hazardous conditions could impact the Thursday morning and evening commutes. 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. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ326-161945- /O.CON.KTFX.WW.Y.0021.260416T0600Z-260417T0000Z/ Gallatin Valley- Including the following locations: Gallatin Gateway and Bozeman 1043 PM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches, highest on the south and east portions of the Bozeman valley. * WHERE...Gallatin Valley. * WHEN...Until 6 PM MDT Thursday. * IMPACTS...Slushy snow covered roads may make travel difficult, especially Thursday morning. The hazardous conditions could impact the Thursday morning and evening commutes. Isolated power outages and or tree damage possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ RG