Expires:202505102300;Remove:202505102300;807761 WUUS55 KTFX 102200 SVRTFX MTC007-043-049-102300- /O.NEW.KTFX.SV.W.0003.250510T2200Z-250510T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Great Falls MT 400 PM MDT Sat May 10 2025 The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Southeastern Lewis and Clark County in west central Montana... Northwestern Broadwater County in southwestern Montana... Northern Jefferson County in southwestern Montana... * Until 500 PM MDT. * At 359 PM MDT, severe thunderstorms were located along a line extending from near Basin to near Boulder, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Wickes, York, Boulder, Rimini, Alhambra, Corbin, Spring Meadow Lake State Park, East Helena, Austin, Montana City, Marysville, Winston, Basin, Helena, Clancy, Canyon Creek, Black Sandy State Park, Jefferson City, and Goose Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4634 11249 4633 11246 4639 11240 4641 11232 4662 11230 4666 11233 4666 11237 4701 11224 4685 11164 4680 11159 4682 11152 4668 11145 4663 11137 4617 11214 4625 11252 TIME...MOT...LOC 2159Z 210DEG 41KT 4629 11238 4624 11216 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ RCG