Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

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Last Map Update: Sat, Jul 4, 2026 at 8:54:39 am PDT

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

National Weather Service Los Angeles, CA

Extreme Heat Watch

Independence Day Outlook

June Review

Pretty typical weather expected this 4th of July with near-normal temperatures, breezy afternoon winds, and scattered high clouds. Use extra caution with any fireworks or recreational activities in these dry conditions.

Heat Wave and Severe Thunderstorms this Independence Day

NWS Forecast Office Las Vegas, NV