Areas of Extreme Heat and Fire Weather in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat will continue in the interior Northwest into midweek before finally waning. Hot temperatures, dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather. Heavy rain and thunderstorms are expected across portions of the Great Basin, Rockies, and central/southern Plains. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

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Last Map Update: Tue, Aug 26, 2025 at 1:44:11 pm PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Extreme Heat Warning

Flash Flood Watch

Red Flag Warning

Heat Advisory

Flood Watch

Air Quality Alert

Hydrologic Outlook

Extreme Heat Warning and Heat Advisories

Major HeatRisk

Extreme Heat Warnings and Heat Advisories have been issued for a late season heat event for the lower elevation locations across central and northeast Oregon, as well as across south central and southeast Washington. Major to Locally Extreme HeatRisk will develop across portions of the Columbia Basin, Eastern Columbia River Gorge, and adjacent valleys/foothills while Moderate to locally Major HeatRisk will develop over portions of central Oregon, John Day Basin, Grande Ronde Valley, and the Wallowa Valley.

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Areas of Extreme Heat and Fire Weather in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

NWS Forecast Office Pendleton, OR