Stevens Pass Mountain Weather
Forecast
Day and Time: Thursday 0730
Current Observations:
24hr Precipitation: 0
Temperature profile: 36 base
Pass level winds: light westerly
Barometer: 1027mb’s and holding
Sky: Clear
Radar: Clear east of the crest with high clouds to the west.
The Forecast: Increasing clouds
today with mixed rain and snow expected tomorrow.
Long Range: Dry and clear weather returns
over the weekend with mostly dry but cooler weather for the upcoming week.
The Science: A triple point frontal system tracking north
into BC will bring high clouds today with mixed snow and rain for the Cascades
tomorrow. Freezing levels will drop to
+-4500’ tomorrow, so expect some snow mixed in with the rain at Pass
level.
High pressure, stationed off the PNW coast will
strengthen and drift east over the weekend.
This will likely produce a blocking and offshore flow pattern for the
PNW. In other words, a prolonged dry
period with seasonally average (cool) temperatures.
Values from
4am today through
4am tomorrow.
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Precipitation:
Today
24hr
water: lt
.10 snow: 0
Tomorrow’s
24hr
water: +.25
snow: 0
Trend and
Timing:
Light rain will begin late tonight with mixed rain and snow during the
day tomorrow.
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Temperature:
Low: 36 High: 50
Freezing
level: 7000’ – 5000’
Trend and
Timing:
Warm today with cooling temperatures moving in tomorrow.
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Winds
Base: 0-10
W
Ridge
Top: 5-10 W
Trend and
Timing:
Light westerlies today with come gusty ridge top winds expected
tomorrow.
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JM
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