* WHAT. Heat index values near or above 108 expected. * WHERE. Portions of southeast Louisiana and southern Mississippi. * WHEN. Until 7 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

At 411 PM CDT, Doppler radar was tracking a strong thunderstorm near Ragley, moving southeast 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. Lake Charles, Westlake, Iowa, Fenton, Moss Bluff, Ragley, De Quincy, Buller, Topsy, Lebleu Settlement, and Gillis. This includes the following highways. Interstate 10 in Louisiana between mile markers 31 and 42. Interstate 210 between mile markers 9 and 12.

* WHAT. Heat index values up to 108 expected. * WHERE. In Louisiana, Avoyelles, Rapides, and Vernon Parishes. In Texas, Hardin, Northern Jasper, Northern Newton, Southern Jasper, Southern Newton, and Tyler Counties. * WHEN. From 1 PM this afternoon to 6 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.