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

NCSB (NCSW1)

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

13°F

-11°C

Humidity	91%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Last update	31 Dec 04:06 AM PST

More Information:

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

Extended Forecast for

11 Miles E 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
Overnight
Low: 22 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 22 °F
Partly Cloudy
New Year's Day
High: 30 °F
Mostly Cloudy
Thursday Night
Low: 21 °F
Slight Chance
Snow
Friday
High: 28 °F
Chance Snow
Friday Night
Low: 27 °F
Chance
Rain/Snow
Saturday
High: 32 °F
Rain/Snow
Likely

Detailed Forecast

Overnight

Mostly cloudy, with a low around 22. West wind around 5 mph.

Wednesday

Mostly sunny, with a high near 30. Light southwest wind.

Wednesday Night

Partly cloudy, with a low around 22. North wind 3 to 5 mph.

New Year's Day

Mostly cloudy, with a high near 30. Light and variable wind.

Thursday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 21. Calm wind.

Friday

A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 28. New snow accumulation of less than a half inch possible.

Friday Night

A chance of snow before 10pm, then a chance of rain and snow. Cloudy, with a low around 27. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Saturday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

Saturday Night

A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

Sunday

A 30 percent chance of snow. Mostly cloudy, with a high near 32.

Sunday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 27.

Monday

A 20 percent chance of snow. Partly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 24.