Advarsler, Calvin Lake Dam

Heat Advisory issued July 20 at 10:58PM CDT until July 21 at 8:00PM CDT by NWS Norman OK * WHAT...Dangerously hot conditions with air temperatures of 105 to 108 degrees and heat index values up to 109 expected. * WHERE...Portions of central, northwest, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From noon to 8 PM CDT Tuesday. * 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.