Moderate

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Calhoun, Chickasaw, Itawamba, Lafayette, Lee MS, Monroe, Pontotoc, Union, and Yalobusha Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Heat index values up to 109. * WHERE...Dunklin, Clay, Greene, Pemiscot, and Dyer. * WHEN...Until 8 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.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112. For the Heat Advisory, heat index values up to 108 expected. * WHERE...In Arkansas, St. Francis County. In Mississippi, Panola and Tate Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114. For the Heat Advisory, heat index values up to 109 expected. * WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Heat index values up to 109. * WHERE...Navarro, Anderson, and Henderson Counties. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and

* WHAT...Heat index values up to 109. * WHERE...Bosque, Falls, Freestone, Hill, Limestone, McLennan, Leon, and Robertson Counties. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous

* WHAT...Temperatures up to 103 and heat index values up to 107. * WHERE...Bell, Comanche, Coryell, Hamilton, Lampasas, Mills, and Milam Counties. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous

* WHAT...Temperatures up to 104 degrees and heat index values up to 106 degrees. * WHERE...Eastland and Erath Counties. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous

At 1229 PM AST, Doppler radar was tracking a strong thunderstorm over San Sebastian and Moca, moving northwest 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... Moca, Isabela, Aguadilla, Quebradillas, Aceitunas, Hato Arriba, Caban, Luyando, San Antonio, Mora, Rafael Hernandez and Cacao. Monitor the weather situation closely and be alert for threatening weather conditions.

At 1159 AM EDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Meadville, moving east at 30 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... Meadville, Titusville, Cambridge Springs, Riceville, Harmonsburg, Lincolnville, Canadohta Lake, Guys Mills, Saegertown, Hydetown, Blooming Valley, Townville, Spartansburg, Venango, and Woodcock.