Mountain Weather Forecast

Stevens Pass Mountain Weather Forecast

Day and Time: Thursday 6:00pm

Current Observations:

24hr Precipitation: 1.41”/13” snow (6pm Wednesday to 6pm Thursday)

Pass temperature:  33

Pass level winds: Light to moderate, westerly

Barometer:  1014 and steady

Sky: Mostly cloudy

Radar: Spotty light showers at the crest

The Forecast: Light rain ending tonight, dry most of Friday and mostly cloudy. Cooling Friday night with light snow.

Long Range:  Saturday is still trending mostly dry and cool. Another large- scale low pressure system approaches on Sunday, with freezing levels likely varying between 4000-5000’ and significant precipitation. Active weather continues next week.

  

The Science: We never got the forecasted high winds today, fortunately. But we are currently located in a sector of warm air following this morning’s frontal passage. This warm, dry airmass will sit over the North Central Cascades during most of the day Friday until a splitting(weakening) cold front moves inland, bringing with it a colder airmass. We should pick up a few inches of snow with the frontal passage. High pressure builds behind the front for Saturday.

Values from 4pm today through

 4am Saturday.

Precipitation: Tonight’s 12hr water: .10   snow: 0” Tomorrow’s 24hr water: .25   snow: 2-4” Trend and Timing: Drying trend overnight and most of the daylight hours Friday. Light to moderate snow showers Friday night.

Temperature: Low: 26    High: 34 Freezing level: 5500’-2500’ Trend and Timing:    Warm during the day Friday, with a sharp cooling trend Friday afternoon and evening.

Winds Base: Variable 5-10 Ridge Top: SE-SW 5-15 Trend and Timing: Wind direction generally shifting from easterly thru the pass to westerly in the afternoon.