Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. Read More >

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Last Map Update: Wed, Jul 15, 2026 at 2:36:54 pm CDT

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National Weather Service Wichita, Kansas

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National Weather Service Little Rock, AR

National Weather Service Fort Worth/Dallas, TX

Flash Flood Warning

Flood Advisory

Hazardous Weather Outlook

Storm Chances Wednesday

Excessive Rainfall Today

Heat Indices This Week

Forecast Summary

Fort Smith Radar

[4 AM 7/15/26] A mid-level disturbance will move into the region today, increasing coverage of showers and thunderstorms across eastern OK and northwest AR through the afternoon hours. Locally heavy rain and instances of flash flooding will be possible, with slow-moving storms. Organized severe storm are not expected, but stronger storms could produce locally strong downburst winds up to 50 mph. Storm coverage will begin to wane after sunset, with isolated lingering storms through mid-evening.

There is a marginal to slight risk (10-30% chance) of excessive rainfall for much of eastern OK and western AR today. Localized flash flooding possible. Generally up to 0.5-1" of rain is expected, but isolated amounts greater than 2-3" will be possible. Rainfall rates of 2-3"/hr are likely. Please do not attempt to drive through flooded roadways!

Afternoon heat indices are expected to be below 100 degrees across much of the region through Friday. Advisory level heat is expected to return by the weekend and/or into early next week. Heat precautions should still be taken for any extended time outdoors.

Daily storm chances are forecast through Thursday, with the highest chances on Wednesday. Dangerous heat returns this weekend.

KSRX Radar (Fort Smith, AR).

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Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

NWS Forecast Office Tulsa, OK