At 427 PM MDT, Doppler radar was tracking a strong thunderstorm 20 miles south of Chinook, moving east at 40 mph.
HAZARD...Wind gusts of 50 to 55 mph and penny 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... Harlem, Fort Belknap, and Cleveland.