Expires:202505182115;Remove:202505182115;258796 WWUS45 KTFX 182012 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 212 PM MDT Sun May 18 2025 MTZ307-315-322-327-330-182115- /O.CAN.KTFX.WW.Y.0040.000000T0000Z-250519T0000Z/ Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass- Elkhorn and Boulder Mountains-Northwest Beaverhead County- Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Montana City, Chief Joseph Pass, Wisdom, Lincoln, Homestake Pass, Marysville, Raynolds Pass, Wickes, Elk Park Pass, Flesher Pass, Dewey, MacDonald Pass, Clancy, Corbin, Boulder, Big Hole Pass, Big Sky, West Yellowstone, Wise River, Rogers Pass, and Targhee Pass 212 PM MDT Sun May 18 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The main threat for snow has ended. However, outdoor recreationists should continue to take extra precautions and be properly dressed to avoid hypothermia from the cold and wet conditions. $$