Moderate

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Much of western and north central North Dakota. * WHEN...Until 7 PM CDT /6 PM MDT/ this evening. * IMPACTS...Things left unsecured outside will be blown around. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Heat index values up to 107. * WHERE...Portions of North and Central Texas. * WHEN...Until 8 PM CDT Wednesday. * 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 108. * WHERE...Bosque, Hood, Jack, Palo Pinto, Parker, Somervell, Stephens, and Young Counties. * WHEN...Until 8 PM CDT Wednesday. * 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...Heat index values up to 106. * WHERE...Fannin and Lamar Counties. * WHEN...Until 8 PM CDT Wednesday. * 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

At 1239 PM CDT, Doppler radar was tracking a strong thunderstorm over Carlyss, or near Sulphur, moving northwest at 10 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... Sulphur, Westlake, Vinton, Carlyss, and Edgerly. This includes the following highways... Interstate 10 in Louisiana between mile markers 9 and 26. Interstate 210 near mile marker 1.

* WHAT...Heat index values of 103 to 108 expected. * WHERE...All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...From 11 AM CDT /noon EDT/ to 8 PM CDT /9 PM EDT/ Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Isolated to scattered thunderstorms are possible during the afternoon in the northern half of the Quad State, which could bring earlier relief from the heat.

At 1220 PM CDT, Doppler radar was tracking a strong thunderstorm near Carlyss, or near Lake Charles Regional Airport, moving northwest 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... Lake Charles, Sulphur, Westlake, Lake Charles Regional Airport, and Carlyss. This includes the following highways... Interstate 10 in Louisiana between mile markers 15 and 28.

* WHAT...Heat index values up to 107. * WHERE...Portions of northeast Kansas and central, north central, northwest, and west central Missouri. * 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 first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 109 expected. * WHERE...Portions of central, east central, northern, northwest, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Heat index values up to 106 expected. * WHERE...In Oklahoma, Dewey, Woodward, Greer, Harmon, Custer, and Washita Counties. In Texas, Foard, Hardeman, and Knox Counties. * WHEN...From noon to 7 PM CDT Wednesday. * 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.