Active Alerts Black Flat, TX

Drink plenty of fluids, stay in an air-conditioned room, stay out ofthe sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 108.* WHERE...In Oklahoma, Comanche, Cotton, and Tillman Counties. InTexas, Archer, Clay, and Wichita Counties.* WHEN...Until 7 PM CDT this evening.* IMPACTS...Hot temperatures and high humidity may cause heatillnesses.