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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

13°F

-11°C

Humidity	90%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Last update	31 Dec 10:06 PM PST

More Information:

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

Extended Forecast for

2 Miles NNE 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: 17 °F
Mostly Cloudy
New Year's Day
High: 30 °F
Mostly Cloudy
then Slight
Chance Snow
Thursday Night
Low: 26 °F
Chance Snow
Friday
High: 31 °F
Chance Snow
Friday Night
Low: 28 °F
Snow Likely
Saturday
High: 35 °F
Rain/Snow
Likely then
Rain Likely
Saturday Night
Low: 30 °F
Rain Likely
Sunday
High: 35 °F
Chance Rain

Detailed Forecast

Tonight

Mostly cloudy, with a low around 17. Calm wind.

New Year's Day

A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 30. Calm wind.

Thursday Night

A 30 percent chance of snow, mainly after 10pm. Cloudy, with a low around 26. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 30 percent chance of snow. Mostly cloudy, with a high near 31. Calm wind. New snow accumulation of less than a half inch possible.

Friday Night

Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Snow likely before 10am, then rain likely. Cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

Sunday

A 50 percent chance of rain. Mostly cloudy, with a high near 35.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

Monday

A chance of rain and snow, mainly before 4pm. Partly sunny, with a high near 35. Chance of precipitation is 30%.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

Tuesday

A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 30%.