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

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on 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.

25°F

-4°C

Humidity	94%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	30 Dec 08:01 PM PST

More Information:

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

Extended Forecast for

15 Miles SW Twisp 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
Tonight
Low: 23 °F
Partly Cloudy
Wednesday
High: 32 °F
Mostly Sunny
Wednesday Night
Low: 13 °F
Partly Cloudy
New Year's Day
High: 26 °F
Partly Sunny
Thursday Night
Low: 15 °F
Chance Snow
Friday
High: 23 °F
Snow
Friday Night
Low: 18 °F
Snow
Saturday
High: 24 °F
Snow

Detailed Forecast

Tonight

Partly cloudy, with a steady temperature around 23. Southwest wind 8 to 10 mph.

Wednesday

Mostly sunny, with a high near 32. Southwest wind 7 to 9 mph.

Wednesday Night

Partly cloudy, with a low around 13. West wind 6 to 8 mph.

New Year's Day

Partly sunny, with a high near 26. West wind 3 to 6 mph.

Thursday Night

A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 15. West wind 3 to 5 mph. New snow accumulation of less than one inch possible.

Friday

Snow, mainly after 10am. High near 23. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

Snow. Low around 18. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. High near 24. Chance of precipitation is 80%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

Sunday

A 50 percent chance of snow. Partly sunny, with a high near 24.

Sunday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 15.