At 213 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms 7 miles southwest of Sibley Peak, or 23 miles north of Wheatland, moving east at 20 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... Sibley Peak and Cassa.
This includes Interstate 25 in Wyoming between mile markers 93 and 108.