Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

20°F

-7°C

Humidity	94%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	31 Dec 05:01 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WSW Washington Pass WA

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Overnight
Low: 23 °F
Mostly Clear
Wednesday
High: 35 °F
Mostly Sunny
Wednesday Night
Low: 22 °F
Partly Cloudy
New Year's Day
High: 32 °F
Partly Sunny
then Chance
Snow
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 33 °F
Snow
Friday Night
Low: 29 °F
Snow
Saturday
High: 33 °F
Snow

Detailed Forecast

Overnight

Mostly clear, with a low around 23. South wind around 5 mph.

Wednesday

Mostly sunny, with a high near 35. South wind 3 to 5 mph.

Wednesday Night

Partly cloudy, with a low around 22. South wind around 5 mph.

New Year's Day

A 30 percent chance of snow after 4pm. Partly sunny, with a high near 32. Southwest wind around 6 mph. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 26. South wind around 6 mph becoming southwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 33. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

Snow. Low around 29. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Saturday

Snow. High near 33. Chance of precipitation is 100%.

Saturday Night

Snow. Low around 26. Chance of precipitation is 90%.

Sunday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.