At 132 AM EDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 9 miles south of Rhodes to 7 miles northeast of Midland to near Auburn. Movement was northeast at 40 mph. HAZARD. Winds in excess of 40 mph and penny size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include. Midland, Auburn, Pinconning, Kawkawlin, Linwood, Mount Forest, Crump, Willard, and Bay City State Recreation Area. This includes the following highways. I-75 between mile markers 166 and 185. US-10 between mile markers 128 and 134.

* WHAT. Heat index values up to 97. * WHERE. Portions of central, south central, southwest, and west central Michigan. * WHEN. Until 8 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100 expected. * WHERE. A portion of southeast Michigan. * WHEN. Until 8 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.