Expected

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Kingfisher, Logan, Payne, Garfield, Grant, Kay, Noble, Alfalfa, and Major Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...Heat index values up to 110 expected. * WHERE...In Oklahoma, Blaine, Caddo, Comanche, Cotton, Jackson, and Tillman Counties. In Texas, Archer, Clay, Wichita, and Wilbarger Counties. * 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. Take extra precautions when outside. Wear lightweight and loose

At 238 PM EDT, Doppler radar was tracking a strong thunderstorm near Chilhowie, moving southeast 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... Glade Spring and Konnarock. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

At 238 PM EDT, a strong thunderstorm was near Brantley, or 9 miles northwest of Buena Vista, moving south at 5 mph. HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and heavy rain. SOURCE...Radar indicated. IMPACT...Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include... Brantley and Juniper. People outdoors should seek shelter immediately. If you can hear

* WHAT...Heat index values 105 to 110 degrees both Saturday and Sunday afternoons. * WHERE...Portions of central, east central, southeast, and west central Illinois, generally in an area from Jacksonville and Springfield southeast past I-70. * WHEN...Until 8 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.

At 240 PM EDT, Doppler radar was tracking a strong thunderstorm 6 miles northwest of Monroe, or near Wesley Chapel, moving southeast 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 outdoor objects is possible. Locations impacted include... Monroe, Indian Trail, Weddington, Stallings, Unionville, Wesley Chapel, Wingate, Marshville, Lake Park, and Mineral Springs.

At 241 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Maytown to near Mims to Lone Cabbage Fish Camp. Movement was west at 5 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... Deltona, Sanford, Titusville, Oviedo, and Winter Springs. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with these storms.

At 240 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Van to 6 miles east of Hode. Movement was east at 40 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... Logan, Man, Hode, Mount Gay-Shamrock, Bald Knob, Holden, Mallory,

At 1259 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms near Abanda, or near Roanoke, moving southeast at 5 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... Roanoke, Stroud, Wadley, Malone, Post Oak Forks, Abanda, Crystal Lake, Standing Rock, Welch, Sparkling Springs, Dickert, Rock Mills, Stroud Creek, Paran, Roanoke Municipal Airport, and Rock Stand.

At 201 PM EDT, Doppler radar was tracking a strong thunderstorm over Bryceville, or 13 miles west of Jacksonville. A strong thunderstorm was nearly stationary. 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... Bryceville and Whitehouse Air Field. If outdoors, consider seeking shelter inside a building.