Moderate

* WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. * WHERE...All of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...High temperatures up to 106. * WHERE...In Oklahoma, Beaver County. In Texas, Collingsworth, Hemphill, Lipscomb, and Wheeler Counties, along with Palo Duro Canyon. * 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. To reduce risk during outdoor work, the Occupational Safety and

At 1039 AM CDT, Doppler radar was tracking a strong thunderstorm near Griffen Mill, or 7 miles southwest of Smiths. This thunderstorm was nearly stationary. 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... Smiths, Smiths Station, Ladonia, Griffen Mill, Monterey Heights, Ladonia Sports Complex, and Phenix Drag Strip. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values in excess of 105 degrees. * WHERE...Bertie, Chowan, Pasquotank, and Perquimans Counties. * WHEN...Until 7 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.