Moderate

* WHAT...Heat index values up to 101 expected. * WHERE...Lenawee, Macomb, Monroe, Oakland, Washtenaw, and Wayne Counties. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

At 157 AM CDT, Doppler radar was tracking showers and thunderstorms along a line extending from 7 miles north of Mooreland to 10 miles south of Harmon. Movement was northeast at 40 mph. In addition, showers moving across eastern Beaver County with a history of producing strong winds will move east toward Harper County. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Ottawa, Lake, Mason, Muskegon, Newaygo, and Oceana Counties. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Heat index values up to 100 expected. * WHERE...Calhoun, Jackson, Kalamazoo, and Van Buren Counties. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values around 100 expected. * WHERE...Portions of northern Indiana and southwest Michigan. * WHEN...From noon EDT /11 AM CDT/ today to 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

At 212 AM CDT, Doppler radar was tracking an area of strong thunderstorms extending from near Atwater to over Glencoe, or extending from 15 miles east of Willmar to 15 miles southeast of Hutchinson, moving northeast at 45 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch 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...

* WHAT...Southwest wind gusts as high as 45 to 55 mph. * WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Deuel, Grant, and Roberts Counties. * WHEN...Until 4 AM CDT early this morning. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. * ADDITIONAL DETAILS...These gusty winds, located within a broader area of rain behind a line of severe thunderstorms, will remain possible through 3 AM to 4 AM CDT.

At 146 AM CDT, Doppler radar was tracking gusty showers 8 miles southeast of Meade State Park, moving east at 30 mph. HAZARD...Wind gusts of 50 to 55 mph with locally higher gusts of 60 to 65 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Englewood and Acres. If outdoors, consider seeking shelter inside a building.

* WHAT...West/northwest winds 25 to 35 mph with gusts to 55 mph expected. * WHERE...Portions of south central and southwest Idaho. * WHEN...From noon today to 9 PM MDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Visibility locally reduced to 1-2 miles due to blowing dust. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.