⚠️ Heat Advisory – Harmon; Jackson; Tillman; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer – Friday, August 21, 2026

Heat Advisory issued August 21 at 12:09PM CDT until August 22 at 7:00PM CDT by NWS Norman OK

Details

* WHAT…For the first Heat Advisory, heat index values up to 107.
For the second Heat Advisory, heat index values up to 109 expected.

* WHERE…In Oklahoma, Harmon, Jackson, and Tillman Counties. In
Texas, Archer, Baylor, Foard, Hardeman, Knox, Wichita, and
Wilbarger Counties.

* WHEN…For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from 1 PM to 7 PM CDT Saturday.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

Instructions

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

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.