


Special Weather Statement
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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292 WWUS85 KTFX 180038 SPSTFX Special Weather Statement National Weather Service Great Falls MT 638 PM MDT Sun Aug 17 2025 MTZ314-318-180115- Snowy and Judith Mountains MT-Fergus County below 4500ft MT- 638 PM MDT Sun Aug 17 2025 ...STRONG THUNDERSTORMS WILL IMPACT EASTERN FERGUS COUNTY THROUGH 715 PM MDT... At 638 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 14 miles east of Roy to 17 miles south of Grass Range. Movement was east at 30 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Grass Range and Fred Robinson Bridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4731 10859 4727 10860 4727 10872 4710 10874 4708 10860 4676 10863 4676 10897 4764 10875 4760 10850 4761 10844 4758 10842 4760 10840 4757 10834 4759 10832 4732 10831 TIME...MOT...LOC 0038Z 282DEG 23KT 4738 10866 4678 10887 MAX HAIL SIZE...0.00 IN MAX WIND GUST...55 MPH $$ RCG