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	87%
Wind Speed	W 2 MPH
Barometer	NA
Dewpoint	10°F (-12°C)
Visibility	NA
Last update	31 Dec 08:06 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Winthrop 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
Today
High: 31 °F
Mostly Sunny
Tonight
Low: 20 °F
Partly Cloudy
New Year's Day
High: 34 °F
Partly Sunny
then Slight
Chance Snow
Thursday Night
Low: 25 °F
Chance Snow
Friday
High: 33 °F
Chance Snow
then Chance
Rain/Snow
Friday Night
Low: 29 °F
Rain Likely
Saturday
High: 38 °F
Rain
Saturday Night
Low: 30 °F
Rain Likely

Detailed Forecast

Today

Mostly sunny, with a high near 31. Calm wind.

Tonight

Partly cloudy, with a low around 20. Calm wind.

New Year's Day

A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 34. Calm wind.

Thursday Night

A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 25. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 33. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday Night

Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

Saturday

Rain. High near 38. Chance of precipitation is 80%.

Saturday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

Sunday

A 40 percent chance of rain. Mostly cloudy, with a high near 38.

Sunday Night

A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

Monday

A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.