At 437 PM MDT, Doppler radar was tracking a strong thunderstorm 13 miles southwest of Dillon, moving northeast at 45 mph.
HAZARD...Wind gusts up to 50 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... Dillon, Sheridan, Twin Bridges, Alder, Grant, Beaverhead Rock State Park, Bannack, Laurin, Clark Canyon, and Bannack State Park.