Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

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Last Map Update: Fri, Jul 3, 2026 at 8:22:36 pm PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Red Flag Warning

July 4th Red Flag Warning

Weekend Outlook

Independence Day Forecast

West winds will pick up across the region on Independence Day bringing elevated to critical fire weather conditions. The strongest winds are forecast in Central Washington and near the Blue Mountains, where Red Flag Warnings are in effect for Saturday afternoon and evening. Winds will gust up to 30-35 MPH, with relative humidity bottoming out between 12-25%.