Moderate

* WHAT...Temperatures up to 107. * WHERE...Western low rolling plains, Borden, and Howard. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. The elderly, very young, sick, and people with heart conditions are most at risk in extreme heat. Drink plenty of fluids even if you don't feel thirsty, but avoid alcohol and caffeine. Stay in an air-conditioned room, stay out of the sun, and check up on elderly and vulnerable relatives and neighbors.

At 156 PM CDT, Doppler radar was tracking a strong thunderstorm over Clinton, moving southeast at 10 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... Clinton... Fairfield Bay... Damascus... Fairbanks... Whipple... Fairfield Bay Marina... Sugar Loaf Recreation Area... Choctaw...

At 158 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles south of Laurel Hill to 6 miles northeast of Navarre. Movement was east at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Wright, Crestview, Niceville, Eglin AFB, Valparaiso, and Baker. If outdoors, consider seeking shelter inside a building.

* WHAT...Southwest winds 25 to 35 mph with gusts around 45 mph expected. * WHERE...Beaverhead - Lemhi Highlands and Arco/Mud Lake Desert. * WHEN...From 11 AM to 7 PM MDT Sunday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

At 159 PM CDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Florala, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... De Funiak Springs, Eglin Air Force Base, Union, Liberty, Live Oak, Freeport, Paxton, Ponce De Leon, Caryville, Westville, Hinsons Crossroads, Pond Creek, Oakwood Hills, Cluster Springs, Gaskin,

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central Mississippi. * WHEN...From 11 AM to 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat related 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 135 PM CDT, Doppler radar was tracking a strong thunderstorm over Harlan County Dam, or 23 miles north of Phillipsburg, moving east at 35 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. The strong thunderstorm will be near... Harlan County Dam and Republican City around 135 PM CDT. Naponee around 145 PM CDT. Bloomington around 150 PM CDT. Franklin around 155 PM CDT. Monitor the weather situation closely and be alert for threatening

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. * WHERE...In Indiana, Northern La Porte county. In Michigan, Northern Berrien and Southern Berrien counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.

At 117 PM CDT, Doppler radar was tracking a strong thunderstorm over Paynes, or 8 miles south of Charleston, moving south at 15 mph. HAZARD...Wind gusts up to 40 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... Charleston, Coffeeville, Paynes, Velma, Scobey, Oakland, Spearman, Bryant, Distall, Cascilla, Tippo, Tillatoba, Leverett, Tyson, Gums, Effie, and Rosebloom.

* WHAT...Heat index values up to 107. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 7 PM CDT Sunday. * 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.