Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

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Last Map Update: Wed, Jul 29, 2026 at 2:38:38 am CDT

Watches, Warnings & Advisories

National Weather Service Wichita, Kansas

National Weather Service Springfield, MO

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National Weather Service Little Rock, AR

National Weather Service Fort Worth/Dallas, TX

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Heat Advisory Wednesday

Dangerous Heat Continues

Extreme Heat Safety

Low T-Storm Chances Today, Tonight

Forecast Summary

Fort Smith Radar

High heat conditions are forecast again Wednesday across much of the region. A Heat Advisory is in effect from Noon to 9 PM for heat index values of up to 110 degrees across eastern Oklahoma and west-central Arkansas.

Dangerous heat continues areawide Tuesday, and for portions of the area through Friday. Heat index values of 105 to 115 degrees are expected Tuesday, then slightly cooler conditions will develop.

During Extreme Heat: Find air conditioning. Avoid strenuous activities. Wear light clothing. Check on family members and neighbors. Drink plenty of water. Watch for heat cramps, exhaustion, and stroke. Never leave people or pets in a closed car.

Low shower and thunderstorm chances exist this afternoon into tonight, mainly across parts of northeast Oklahoma and northwest Arkansas. Severe weather is not expected, but gusty winds and moderate rain may accompany the strongest storms.

Widespread dangerous heat continues this week. Anticipate Heat Advisories and Extreme Heat Warnings almost daily. Expect increasing potential for showers and thunderstorms mid to late week.

KSRX Radar (Fort Smith, AR).

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Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

NWS Forecast Office Tulsa, OK