Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

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Last Map Update: Sat, Jun 20, 2026 at 3:06:34 am CDT

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Flood Watch

Hazardous Weather Outlook

Severe Outlook Saturday

Severe Outlook Sunday

Excessive Rainfall Outlook Sunday

Hot Sunday

Forecast Summary

While mostly dry conditions are expected during the day Saturday, a complex of thunderstorms is expected to approach portions of northeast Oklahoma late in the evening/overnight. While it is uncertain how far these storms will move into northeast Oklahoma, severe weather will be possible. Damaging wind gusts are the primary hazard, but large hail may also occur. Storms may also produce heavy rainfall and flash flooding.

There is a marginal to slight risk of severe weather Sunday and Sunday night as storms develop in the vicinity of a slow moving frontal boundary. Large hail, damaging wind gusts, and heavy rainfall/flash flooding will be possible, especially across northeast Oklahoma and northwest Arkansas.

The chances for showers and thunderstorms will continue into the weekend. The greatest potential for widespread heavy rain looks to be on Sunday and Sunday night. A storms complex could brush the area early on Sunday morning. Storms are expected to form in the area again Sunday afternoon and spread across the area into Sunday night. Many areas will pick up an inch or two of rain, with some locations getting near 4 inches.

While there will be clouds and some storms around, sunshine in many areas will combine with high humidity to result in heat index values getting near or above 100 degrees.

Weather hazards and forecast summary for eastern Oklahoma and northwest Arkansas. Key messages listed on the bottom left.

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Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

NWS Forecast Office Tulsa, OK