Portland, OR

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Soliciting feedback on the Experimental Probabilistic Quantitative Precipitation Forecast (PQPF) Webpages through November 21, 2025

Click a location below for detailed forecast.

Last Map Update: Wed, Sep 3, 2025 at 7:06:24 am PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Extreme Heat Warning

Red Flag Warning

Heat Advisory

Air Quality Alert

Thunderstorms Possible Tuesday & Wednesday.

Low Water Conditions

A low moving northward towards Oregon and Washington will bring the potential for thunderstorms Tuesday (9/2) and Wednesday (9/3) starting each afternoon and through each evening. There is a 10-20% chance for thunderstorms east of I-5 and a 20-30% chance for thunderstorms within the Cascades. Impacts from any thunderstorms that develop could be: Lightning, gusty winds and possible fire starts due to lightning.