| Event | Extreme Heat Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Pushmataha; Choctaw; Muskogee; McIntosh; Pittsburg; Haskell; Latimer; Northern Le Flore; Central and Southern Sequoyah; Central Le Flore; Southern Le Flore |
| Effective | 8/17/2026, 11:29:00 AM CDT |
| Expires | 8/18/2026, 10:00:00 AM CDT |
Extreme Heat Warning issued August 17 at 11:29AM CDT until August 19 at 9:00PM CDT by NWS Tulsa OK
Details
* WHAT…For the Heat Advisory, heat index values up to 108. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 112 expected.
* WHERE…Portions of northwest and west central Arkansas and east
central and southeast Oklahoma.
* WHEN…For the Heat Advisory, until 8 PM CDT this evening. For the
Extreme Heat Warning, from 1 PM Tuesday to 9 PM CDT Wednesday.
* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Heat related illnesses are
possible especially impacting those not acclimated to the
conditions or those performing strenuous activities.
Instructions
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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