# Extreme Heat Warning: North and Central Sebastian; Southern Crawford; Washington; Nowata; Craig; Ottawa; Tulsa; Rogers; Mayes; Delaware; Creek; Okfuskee; Okmulgee; Wagoner; Muskogee; McIntosh; Pittsburg; Haskell; Northern Le Flore; Central and Southern Sequoyah; Southeast Osage — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/1f23768d80c6527a

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source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-15 23:31 ingested 2026-08-16 06:37

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Warning — North and Central Sebastian; Southern Crawford; Washington; Nowata; Craig; Ottawa; Tulsa; Rogers; Mayes; Delaware; Creek; Okfuskee; Okmulgee; Wagoner; Muskogee; McIntosh; Pittsburg; Haskell; Northern Le Flore; Central and Southern Sequoyah; Southeast Osage
Severity: Severe. Certainty: Likely.
* WHAT...For the Heat Advisory, heat index values up to 105 expected.
For the Extreme Heat Warning, dangerously hot conditions with heat
index values of 110 to 115 expected.

* WHERE...Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.

* WHEN...For the Heat Advisory, until noon CDT Sunday. For the
Extreme Heat Warning, from noon to 8 PM CDT Sunday.

* 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.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.