10/20/2026
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WASHINGTON AND OREGON WEEKEND STORM POSSIBLE❓🌧️💨❄️🌀a stronger Pacific storm COULD approach the Northwest this weekend, bringing rain, gusty winds and mountain snow! Low pressure may strengthen offshore, but its track and intensity remain UNCERTAIN. Some forecast guidance brings it inland, while others keep it offshore or farther north toward Vancouver Island.
This system could tap enough Pacific moisture to produce the season’s first atmospheric river and a more widespread soaking across parts of western Washington and Oregon. Current guidance does not suggest rainfall totals sufficient to raise major river flooding concerns. Strong coastal winds are possible if the low strengthens and moves close enough to shore, with a low chance of gusts reaching 40+ mph Saturday along the northern Oregon and southwest Washington coast and a medium chance for 25+ mph gusts.
Colder air could also bring accumulating mountain snow, with snow levels across Washington falling to around 4,000-5,000 feet heading into the weekend. Some scenarios support moderate to heavy snow in parts of the Cascades but others show minimal snow. Amounts and potential pass impacts will depend on how much moisture arrives with that colder air.
There’s a storm worth watching, but confidence remains LOW in exactly where the strongest winds, heaviest rain and mountain snow would occur. Details should become clearer later this week🌧️💨❄️