Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on 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	96%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	31 Dec 05:01 PM PST

More Information:

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

Extended Forecast for

16 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
This Afternoon
High: 27 °F
Sunny
Tonight
Low: 21 °F
Increasing
Clouds
New Year's Day
High: 28 °F
Mostly Cloudy
then Slight
Chance Snow
Thursday Night
Low: 25 °F
Snow Likely
Friday
High: 28 °F
Snow Likely
Friday Night
Low: 25 °F
Snow Likely
Saturday
High: 32 °F
Snow
Saturday Night
Low: 24 °F
Snow

Detailed Forecast

This Afternoon

Sunny, with a steady temperature around 27. Calm wind.

Tonight

Increasing clouds, with a low around 21. Light southwest wind.

New Year's Day

A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 28. Calm wind.

Thursday Night

Snow likely, mainly after 10pm. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely. Mostly cloudy, with a high near 28. West wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday Night

Snow likely. Cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Snow. High near 32. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Snow. Low around 24. Chance of precipitation is 80%.

Sunday

Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.

Sunday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 19.

Monday

A 40 percent chance of snow. Partly sunny, with a high near 25.