At 626 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms near Lowman, Atlanta, and Highway 21, moving north at 25 mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Areas of blowing dust possible. Minor damage to outdoor objects is possible.
Locations impacted include... Lowman, Atlanta, Rocky Bar, Clear Creek Summit, Helende Campground, Featherville, Graham Guard Station, Dutch Creek Guard Station, Warm Springs Guard Station, Grandjean, Trinity Lakes, James Creek Summit, and Barber Flat Guard Station.