Mountain Weather Forecast

Stevens Pass Mountain Weather Forecast

Day and Time: Sunday 0710

Current Observations:

24hr Precipitation:   0”

Pass temperature: 14 base / 20 ridgetop

Pass level winds: Light out of the east

Barometer:  Rising at 1016

Sky: Clear

Radar: Clear

The Forecast: Sunny and warm today, increasing clouds, mild on Monday with snow arriving Monday afternoon.

  

The Science: Today will bring one more sunny and calm day. A fast moving low pressure system arrives Monday afternoon. Freezing levels will rise to above Pass level (4500+) ahead of the precipitation, but should lower just in time to keep our precip type as snow for the main event. Post frontal onshore flow will help maintain orographic snow showers on Tuesday. The whole shebang should come out to around 8-12” of much appreciated snow for Stevens Pass.

Long Range:  High pressure rebuilds for the middle of the week, bringing a return to mild weather. Freezing levels will be typical for late winter, around 2500’.

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water: 0  snow: 0 Tomorrow’s 24hr water: .5  snow: 6+ Trend and Timing: Snow beginning Monday afternoon.

Temperature: Low: 14    High: 34 Freezing level: 3500’ Trend and Timing:    Steady warming midday, strong diurnal cooling overnight.

Winds Base: E, then W, light Ridge Top: SE, then SW, 5-15 Trend and Timing: East flow should diminish midday, becoming onshore Sunday afternoon.