Mountain Weather Forecast

Stevens Pass Mountain Weather Forecast

Day and Time: Sunday 0715

Current Observations:

24hr Precipitation:   0”

Pass temperature:  34 base / 36 mid mtn

Pass level winds: Light from the west

Barometer:  steady at 1022

Sky: Clear

Radar: Dry across the PNW

The Forecast: Mostly sunny and mild today. Increasing clouds tonight.

  

The Science: Upper level split flow will be in place for the next few days. With Washington between the northern and southern branches of the jet stream, weak high pressure will bring another day of passing clouds. Afternoon convective showers may pop up in a  few places, but no significant precipitation is expected.

Long Range:  By Tuesday the jet stream begins to bring more zonal flow into the PNW, with an embedded low pressure system. Some moisture and cloudy skies can be expected Wednesday and Thursday. Freezing levels are looking to be near our ridgetop elevations, so mixed forms of precip can be expected. Details will emerge on that in the coming days.

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water:  0 snow: 0 Tomorrow’s 24hr water: 0  snow: 0 Trend and Timing: No precipitation expected for the next few days.

Temperature: Low: 34    High: 50 Freezing level: 7000’ Trend and Timing:    Diurnal pattern will continue.

Winds Base: Variable and light Ridge Top: W 5-10 Trend and Timing: Winds may shift to offshore, becoming east thru the Pass early Monday morning.