National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Aug 20, 2026 at 12:24:41 pm CDT

The focus for extreme heat on Thursday is across the southern and central Oklahoma and adjacent western-north Texas, with heat indices up to 110.
Elevated Fire weather is expected across western OK and western north TX Thursday.
Widely scattered showers and thunderstorms are possible in parts of Oklahoma Thursday and Friday. Unfortunately, rainfall totals will be light, providing little relief to ongoing drought. A few strong storms will be possible during the afternoon.
The heatwave continues for at least another 7 days, with temperatures near or over 100 each day.
Know the signs of your body overheating before it becomes to late.

Local Weather History For August 20th...
The remnants of Hurricane Alicia brought heavy rain and flooding to
parts of southern and central Oklahoma on August 20, 1983. Rainfall
of four to six inches in less than six hours occurred in the Oklahoma
City metropolitan area, the hardest hit part of the state. Major
flooding occurred west of El Reno, while high water crept into a few
buildings at the University of Oklahoma campus in Norman.

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