Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

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Last Map Update: Fri, Jun 12, 2026 at 2:10:30 pm PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Extreme Heat Warning

Gale Warning

Heat Advisory

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Extreme Heat (Updated)

Heat Safety

🌡️ An Extreme Heat Warning & Heat Advisory have been issued from Sunday, June 14th through Tuesday, June 16th. Update: Heat Advisory now includes the coast on Sunday, June 14th. Daytime temperatures from 92°F to 100°F with overnight lows of 63°F to 67°F are expected to impact the majority of the Willamette Valley from Sunday, June 14th through Tuesday June 16th, 2026. The Extreme Heat Warning is for the Greater Portland-Vancouver Metro, Western Columbia River Gorge, and Chehalem Mountains. The Heat Advisory is for all locations except for the Cascades, the Greater Portland-Vancouver, and Western Columbia River Gorge. Now is the time to prepare for hot temperatures! 🧢 Have sunscreen & light-colored, loose-fitted clothing 🥵 Avoid strenuous outdoor activities during the hottest part of the day if possible 💨 Find locations with air conditioning ⚠️ Beware of cold water shock: wear a life jacket when swimming in local rivers and lakes

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Heat and Severe Thunderstorms in the Eastern U.S.

NWS Forecast Office Portland, OR