Issued By Great Falls - MT, US, National Weather Service
Affected Area Beaverhead County

A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL MADISON AND EAST CENTRAL BEAVERHEAD COUNTIES... At 645 PM MDT, a strong thunderstorm was located 5 miles southwest of Dillon, moving northeast at 35 mph. Winds in excess of 40 mph are possible with this storm. Locations impacted include... Dillon and Beaverhead Rock State Park. This includes Interstate 15 between mile markers 50 and 72. If outdoors, seek shelter inside a building until the lightning threat has passed. To report severe weather, contact your nearest law enforcement agency. They can relay your report to the National Weather Service office in Great Falls.

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