At 737 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles southwest of Arthur, moving south at 20 mph.
HAZARD...Wind gusts up to 50 mph and nickel 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... Arthur, Lemoyne, Kingsley Dam, Eagle Gulch Campground, Haythorn Lake, Belmar, McKeag, Otter Creek Campground, and Lake View Campground.
This includes the following highways... Highway 61 between mile markers 95 and 125. Highway 92 between mile markers 124 and 165.