WWUS85 KTFX 231940 SPSTFX Special Weather Statement National Weather Service Great Falls MT 140 PM MDT Sun Aug 23 2026 MTZ324-325-328>330-232030- Madison River Valley MT- Ruby Mountains and Southern Beaverhead Mountains MT- Missouri Headwaters MT- Gallatin and Madison County Mountains and Centennial Mountains MT- Beaverhead and Western Madison below 6000ft MT- 140 PM MDT Sun Aug 23 2026 ...A STRONG THUNDERSTORM WILL IMPACT NORTHERN MADISON COUNTY THROUGH 230 PM MDT... At 140 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles west of Alder, or 11 miles southwest of Sheridan, moving northeast at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Sheridan, Alder, Harrison, Pony, Norris, Mcallister, and Laurin. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 4522 11230 4532 11242 4578 11191 4554 11145 TIME...MOT...LOC 1940Z 227DEG 34KT 4532 11231 MAX HAIL SIZE...0.75 IN MAX WIND GUST...55 MPH $$ AM