Oklahoma, Texas Moderate Heat Advisory | Effective 08/19/2026 10:28
* WHAT...For the first Heat Advisory, heat index values up to 108.
For the second Heat Advisory, heat index values up to 107 expected.
* WHERE...Portions of southwest Oklahoma and northern Texas.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday.
* 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.