Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

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Last Map Update: Wed, Jul 30, 2025 at 8:30:12 am PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Red Flag Warning

Heat Advisory

Fire Weather Watch

Showers and T-storms

Heat Safety

There will be an increasing risk for thunderstorms starting Wednesday (isolated) becoming scattered Thursday into Friday. Storms will start off dry with potential for gusty outflow winds but will trend wetter with time going into Thursday afternoon and night and continuing into Friday, with localized heavy rain.