NWS Forecast Office Spokane, WA

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Last Map Update: Tue, Oct. 26, 2021 at 5:06:30 am PDT


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	Hydrologic Outlook

North Cascade Snow

TUE into WED Winds

Hydro and Rock Slide

Spotter Training

Accumulating snow is expected for elevations above 4,500 feet in the east slopes of the Cascades on Tuesday. More snow is expected to fall over this pass Wednesday night into Thursday morning. Snow levels will be rising above pass levels by Thursday afternoon with snow switching over to rain. Both of these weather systems will bring about five to seven inches with winter travel expected along the North Cascades Highway (State Route 20) headed over Washington Pass.

A breezy to windy period will set up from Tuesday night into Wednesday as strong winds aloft mix down to the surface. Winds will generally gust to between 25 and 40 mph over the exposed areas of the basin, Spokane Area and Palouse. There is the possibility for isolated stronger gusts to between 40 and 50 mph on higher benches between Wenatchee to Chelan and up on the Waterville Plateau.

A fetch of Pacific moisture will sit over the Northwest with an extended period of moderate precipitation over the east slopes of the northern Cascades and over the northern Idaho Panhandle Thursday into Friday. Snow levels will be rising and soils will saturate further. This may lead to rock and/or mud slides in steep terrain or near recent burn scars. Small streams will also be on the rise.