National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

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Last Map Update: Sat, Jul 4, 2026 at 2:40:52 am CDT

While low storm chances develop Saturday afternoon into early evening, the greater potential for storms develops Saturday late evening and overnight from an approaching storm complex. A marginal severe risk exists north of Interstate 40, with more isolated severe potentials southward. Locally damaging winds are the main threat with also a locally heavy rain threat.
Hot and humid conditions persist through the Holiday weekend across eastern Oklahoma and northwest Arkansas. Be aware of signs of heat stress and take precautions with outdoor activities.
Hot and humid conditions are on deck for the afternoon and evening of July 4th. A low chance of thunderstorms exists for eastern Oklahoma and western Arkansas through late evening and then increases overnight Saturday night.
Hot and humid weather will persist through the rest of the week and through the July 4th weekend. Daily low chances for showers and thunderstorms will develop in southeast Oklahoma and western Arkansas late this week, increasing in coverage and spreading west late in the weekend.
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