Oklahoma Moderate Heat Advisory | Effective 08/15/2026 09:00
* WHAT...Heat index values up to 109.
* WHERE...Portions of central, east central, northern, northwest,
southeast, and southern Oklahoma.
* WHEN...Until 7 PM CDT Sunday.
* 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.