WWUS85 KTFX 222303 SPSTFX Special Weather Statement National Weather Service Great Falls MT 503 PM MDT Sat Aug 22 2026 MTZ315-319-322-222345- Helena Valley MT-Elkhorn and Boulder Mountains MT- Upper Blackfoot and MacDonald Pass MT- 503 PM MDT Sat Aug 22 2026 ...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN LEWIS AND CLARK... NORTHWESTERN BROADWATER AND NORTH CENTRAL JEFFERSON COUNTIES THROUGH 545 PM MDT... At 503 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms 8 miles southwest of Helena, moving northeast at 15 mph. HAZARD...Wind gusts of 50 to 55 mph and pea 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... Helena, East Helena, Montana City, Rimini, Alhambra, Spring Meadow Lake State Park, and Clancy. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4652 11230 4659 11231 4665 11216 4665 11206 4669 11206 4674 11195 4658 11178 4652 11178 4636 11226 4641 11233 TIME...MOT...LOC 2303Z 238DEG 15KT 4650 11214 MAX HAIL SIZE...0.25 IN MAX WIND GUST...55 MPH $$ Glinskas