National Weather Service United States Department of Commerce

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 1:48:34 pm PDT

Summer like conditions return Friday with temperatures return to near normal. Low impact weather is expected through the 4th of July holiday, then a slight chance of thunderstorms enters the forecast for Sunday and Monday afternoons, particularly across northern Klamath and Lake Counties. Tuesday into Thursday next week will see more stable conditions with a dry front expected Tuesday night into Wednesday. This front could bring a deep marine push and light sprinkles to the coast with a subtle cooling trend for inland locations on Wednesday. Gusty winds and low RHs are possible east of the Cascades on Wednesday.
Low impact weather is expected for Independence Day 2026. Expect dry conditions with breezy afternoon/evening winds and clear skies area wide, though clouds will return to the coast late in the evening. Temperatures will trend warmer for the holiday, peaking around 5 to 10 degrees above normal.

 

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