Northwestern US: More rounds of rain, snow in store into next week

By Renee Duff, AccuWeather meteorologist
February 23, 2019, 1:59:13 AM EST


Storms will stream into the northwestern United States into the last days of February, bringing more opportunities for rain, snow and travel disruptions.

There will be enough cold air during the pattern for snow and difficult travel to occur in some of the lower elevations in addition to the high terrain.

A storm moving ashore later Saturday will open the door for a stream of moisture to funnel into Oregon, Idaho and western Montana into at least Tuesday.

NW Saturday


A steady flow off of the Pacific Ocean will set off the waves of rain and snow, according to AccuWeather Meteorologist Ryan Adamson.

Rainfall can be heavy and persistent enough across southern Oregon and the northwestern part of California for flooding to occur in low-lying and poor drainage areas.

The combination of rain and snowmelt at intermediate elevations in this area can lead to rises on streams and rivers.

Motorists traveling along stretches of Interstate 5 will need to be wary of areas of standing water on the roadways and avoid flooded secondary roadways.

Difficult travel due to heavy snow will threaten the highest terrain of the Oregon Cascades, where feet of snow can pile up Saturday night into Monday.

NW Sunday Night Monday


Travelers over I-5’s Siskiyou Summit should be prepared for several inches of snow and slippery road conditions.

Even the lower elevations to the east of the Oregon Cascades will not be immune to a significant and disruptive snowfall with this event. This includes around The Dalles, Redmond and Monument.

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“Snow will extend as far inland as the northern Rockies for Sunday and Monday,” Adamson said.

This will add a further boost to the ski resorts in the area, but anyone traveling to these resorts will need to allow extra time to reach their destination.

Download the free AccuWeather app to see the latest forecast for your area.

The storm track may shift farther north into more of Washington during the early and middle part of next week, bringing the potential return of snow to the Seattle metro area.

The storms into next week will spare Central and Southern California and the balance of the Southwest.

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