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

NCSB (NCSW1)

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

13°F

-11°C

Humidity	88%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	10°F (-12°C)
Visibility	NA
Last update	31 Dec 02:06 AM PST

More Information:

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

Extended Forecast for

4 Miles W 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
Overnight
Low: 19 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 20 °F
Partly Cloudy
New Year's Day
High: 31 °F
Mostly Cloudy
then Slight
Chance Snow
Thursday Night
Low: 22 °F
Chance Snow
Friday
High: 31 °F
Chance Snow
Friday Night
Low: 29 °F
Rain Likely
Saturday
High: 35 °F
Rain

Detailed Forecast

Overnight

Mostly cloudy, with a low around 19. Calm wind.

Wednesday

Mostly sunny, with a high near 30. Calm wind.

Wednesday Night

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 31. Calm wind.

Thursday Night

A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 22. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 31. New snow accumulation of less than a half inch possible.

Friday Night

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

Saturday

Rain. High near 35. Chance of precipitation is 80%.

Saturday Night

Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Sunday

A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.