Mountain Weather Forecast

Stevens Pass Mountain Weather Forecast

Day and Time: Saturday 0700

Current Observations:

24hr Precipitation:   .25”/2” snow

Pass temperature:  32 base/ 28 upper mountain

Pass level winds: Light, easterly         

Barometer:  Falling slowly to 1004mbs

Sky: Mostly cloudy

Radar: Light scattered showers in Puget Sound

The Forecast: Dry, mostly cloudy, with a cooling trend Saturday. Light snow beginning overnight. Increasing winds, light to moderate snow Sunday at cooler temperatures/lowering freezing levels.  

Long Range: Monday is trending dry with the next system due to arrive Tuesday/Wednesday. Low pressure offshore will bring snow and rain in southerly flow aloft, so rising freezing levels (4500’ +/-) are likely. The end of the week looks dry at the moment.

  

The Science: A triple point front associated with a low pressure system near the California/Oregon border is making landfall well south of our region. An upper level trough will move over the area this evening, with increasing westerly winds. Cold air arrives in the trough for lowering freezing levels, and orographic snowfall.

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water: .10-.25   snow: 1-3” Tomorrow’s 24hr water: .5   snow: 5-7” Trend and Timing: Dry most of Saturday with light snow overnight. Moderate snow during the day Sunday.

Temperature: Low: 25    High: 33 Freezing level: 4000-2500’ Trend and Timing:    Steady temps during the day Saturday, widespread cooling Saturday night.

Winds Base: E 5-15 Ridge Top: E 10-20 Trend and Timing: Easterly winds will increase Saturday evening before switching to westerly early Sunday.