Moderate

At 530 AM EDT, Doppler radar was tracking a strong thunderstorm over Chesaning, moving east at 30 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... Flint, Flushing, Davison, Clio, Burton, Mount Morris, Montrose, Otisville, Otter Lake, Beecher, Crossroads Village, Genesee, and Thetford Township.

At 518 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles west of Alma to near Edmore to 6 miles northwest of Greenville. Movement was east at 25 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... Alma... Greenville... Ithaca...

At 521 AM EDT, Doppler radar was tracking a strong thunderstorm near Marion Springs, or 9 miles west of Chesaning, moving east 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... Saginaw, Frankenmuth, Chesaning, St. Charles, Birch Run, New Lothrop, Freeland, Zilwaukee, Merrill, Oakley, Henderson, Bridgeport, Marion

At 422 AM CDT, Doppler radar was tracking a strong thunderstorm near Princeton, or 8 miles west of Berlin, moving northeast at 55 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Berlin, Princeton, and Neshkoro. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 103. * WHERE...Portions of southwest Iowa. * WHEN...From 1 PM this afternoon to 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Heat index values up to 103. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory.

At 409 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 9 miles southwest of Bevent to 16 miles south of Plainfield, or extending from 10 miles north of Stevens Point to 13 miles southwest of Wautoma, moving east at 50 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. The strong thunderstorm will be near... Plainfield around 410 AM CDT.

* WHAT...Peak heat index values will range from the upper 90s up to 102 degrees Wednesday afternoon. * WHERE...Ashtabula Inland, Ashtabula Lakeshore, Geauga, Holmes, Lake, Mahoning, Portage, Stark, and Trumbull Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows tonight will only drop to the low to mid 70s which will provide limited nighttime relief from the

* WHAT...Peak heat index values will range from the upper 90s up to 102 degrees this afternoon. * WHERE...Portions of north central, northeast, and northwest Ohio. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows tonight will only drop to the low to mid 70s which will provide limited nighttime relief from the heat. Hot and humid conditions will continue on Thursday, and portions of the Heat Advisory may need to be extended.

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northeastern Interior Humboldt. * WHEN...From 7 AM this morning to 8 PM PDT this evening. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.