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

MANSON (MASW)

Lat: 47.91694°NLon: 120.12444°WElev: 1972.0ft.

21°F

-6°C

Humidity	93%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	31 Dec 03:00 AM PST

More Information:

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

Extended Forecast for

19 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
Overnight
Low: 26 °F
Mostly Cloudy
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 22 °F
Partly Cloudy
New Year's Day
High: 29 °F
Partly Sunny
then Slight
Chance Snow
Thursday Night
Low: 19 °F
Chance Snow
Friday
High: 24 °F
Chance Snow
Friday Night
Low: 24 °F
Snow
Saturday
High: 26 °F
Snow

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 26. West wind around 6 mph.

Wednesday

Mostly sunny, with a high near 33. West wind around 6 mph becoming calm in the morning.

Wednesday Night

Partly cloudy, with a low around 22. West wind around 6 mph.

New Year's Day

A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 29. West wind 5 to 7 mph becoming calm in the afternoon.

Thursday Night

A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 19. West wind 3 to 5 mph. New snow accumulation of less than one inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 24. New snow accumulation of less than one inch possible.

Friday Night

Snow. Low around 24. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 26. Chance of precipitation is 90%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.

Sunday

A 50 percent chance of snow. Mostly cloudy, with a high near 25.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 18.