Moderate

At 229 AM EDT, Doppler radar was tracking a strong thunderstorm over Holly River State Park, or 13 miles north of Webster Springs, moving east at 20 mph. HAZARD...Wind gusts up to 50 mph and pea 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... Holly River State Park, Alexander, Hacker Valley, Kanawha Head, Eden, Helvetia, Pickens, and Cleveland.

* WHAT...Heat index values up to 100 expected. * WHERE...Auglaize, Hardin, and Mercer 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 air-conditioned rooms, 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 131 AM CDT, Doppler radar was tracking an area of strong thunderstorms near Prinsburg, or 19 miles southwest of Willmar, moving northeast at 45 mph. HAZARD...Wind gusts up to 50 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... Maynard, Renville, Olivia, Clara City, Bird Island, Prinsburg,

Today is expected to be the second of three days with high temperatures stretching into the low to mid 90s with oppressive humidity values. Heat index values of 100 to 105 are forecast area wide. With this being the first strong heat wave of the season be particularly alert to heat related illness potential and take the necessary action to protect yourself.

* 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.

At 159 AM EDT, Doppler radar was tracking a strong thunderstorm 7 miles west of Holly River State Park, or 12 miles north of Webster Springs, moving east at 25 mph. HAZARD...Wind gusts up to 50 mph and pea 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... Holly River State Park, Diana, Alexander, Hacker Valley, Kanawha

The combination of temperatures in the upper 80s and low 90s combined with high humidity will result in peak afternoon heat index values in the 100 to 105 degree range each afternoon Today and Thursday. Early season stretches of heat and humidity can catch folks off guard if they are unprepared. If planning to be outdoors for extended periods drink plenty of water, where light and loose clothing, and take frequent breaks.

As a line of thunderstorms lifts northeast, a broader area of rain behind the storms will be accompanied by winds gusting as high as 45 to 55 mph through 3 AM CDT.

* WHAT...Heat index values up to near 100 expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. New York City residents should call 3 1 1 to identify cooling center locations and obtain 'Beat the Heat' safety tips. A Heat Advisory is issued when the combination of heat and humidity

* WHAT...Heat index values up to near 100 expected. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health