National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Jun 30, 2026 at 6:26:45 pm CDT

Hot conditions will continue Tuesday. A Heat Advisory is in effect for a small portion of the forecast area in western Arkansas for afternoon heat indices of 105 F.
Hot and humid weather continues on Wednesday, with a Heat Advisory again posted for parts of west-central Arkansas. These areas are where the highest heat index values are expected.
Hot and humid conditions persist through this week across eastern Oklahoma and northwest Arkansas. Be aware of signs of heat stress and take precautions with outdoor activities.
Weather hazards and forecast summary for eastern Oklahoma and northwest Arkansas. Key messages listed on the bottom left.
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