Active AlertsSeminole

What: Heat index values up to 108 in the afternoon. Overnight lows remaining in the mid to upper 70s.
Where: Portions of central, east central, northern, northwest, southeast, southern, and southwest Oklahoma and northern Texas.
When: Until 7 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.