Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

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Last Map Update: Sun, Aug 23, 2026 at 9:06:49 am CDT

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Dangerous Heat Persists

Forecast Summary

Dangerous heat will return for portions of eastern Oklahoma and west-central Arkansas today, with heat index values ranging between 105-109 F, locally higher at times, expected in the advisory area this afternoon. The Heat Advisory will go into effect at noon today and will run through 8 PM.

There is a low-medium chance of thunderstorms late this evening and overnight tonight, mainly across NE OK and W AR. A few storms may become strong to severe and produce damaging wind gusts up to 70 mph and produce small hail.

High heat stress conditions will persist and will continue to impact outdoor activities for much of the next week.

Hot weather continues through the upcoming week. Periodic thunderstorm may occur for the next several days, but overall dry weather will continue. Fire weather conditions remain a daily concern due to drying fuels and periods of gusty winds.

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Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

NWS Forecast Office Tulsa, OK