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 >

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Last Map Update: Thu, Aug 20, 2026 at 6:38:36 pm CDT

Dangerously hot conditions will persist in parts of the area today, with slight relief in areas north of I-40. An Extreme Heat Warning is in effect for far southeast OK from 1PM to 8 PM, and a Heat Advisory is in effect for east central OK and west central AR.
Dangerously hot conditions will persist for portions of the area Friday and a Heat Advisory is in effect from noon until 8 PM.
High heat stress conditions will persist and will continue to impact outdoor activities. Some minor heat relief is forecast on today and Friday. Dangerous heat returns this weekend into next week.
Slight cooling is expected for some areas today, but temperatures will remain above average, with slight warming returning into the weekend. Isolated showers may occur at times 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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