Special Weather Statement
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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466 WWUS85 KTFX 312133 SPSTFX Special Weather Statement National Weather Service Great Falls MT 333 PM MDT Thu Jul 31 2025 MTZ325-327>330-312245- Madison River Valley-Northwest Beaverhead County- Beaverhead and Western Madison below 6000ft- Ruby Mountains and Southern Beaverhead Mountains- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Cameron, Ennis, Jeffers, McAllister, Norris, Dewey, Wisdom, Wise River, Big Hole Pass, Chief Joseph Pass, Bannack, Dillon, Glen, Waterloo, Monida Pass, Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 333 PM MDT Thu Jul 31 2025 ...Increasing Thunderstorm Activity through the Afternoon... Showers and thunderstorms were developing over the higher terrain of Southwest Montana, Northeast Idaho, and Northwest Montana. While these showers and thunderstorms have largely remained rooted to the higher terrain so far they will begin to slowly move to the north through the remainder of the afternoon hours, generally pushing north of the I-90 corridor through 6 PM MDT. Gusty and erratic winds up to 45 mph, small hail, and localized heavy rainfall are possible beneath any thunderstorm. $$ Moldan