FPUS75 KTFX 010052 NOWTFX Short Term Forecast National Weather Service Great Falls MT 652 PM MDT Tue Mar 31 2026 MTZ325-326-328>330-010200- Madison River Valley-Gallatin Valley- Beaverhead and Western Madison below 6000ft- Ruby Mountains and Southern Beaverhead Mountains- Gallatin and Madison County Mountains and Centennial Mountains- Including Cameron, Ennis, Jeffers, McAllister, Norris, Bozeman, Gallatin Gateway, Bannack, Dillon, Glen, Waterloo, Monida Pass, Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 652 PM MDT Tue Mar 31 2026 .NOW... A mix of rain and snow showers will affect portions of Southwest MT this evening, mainly south of a line from Dell to Bozeman. Expect visibility below one mile at times in areas of snow, along with some roadways becoming snow covered and slippery. New snow accumulations will generally range from a half inch to around 1 inch this evening. Rain is possible at lower elevations, mainly below 5000 feet. Those traveling across Southwest MT should be alert for quickly changing road conditions, along with areas of reduced visibility because of falling snow. $$ Brusda