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

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

22°F

-6°C

Humidity	NA
Wind Speed	E 11 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	11°F (-12°C)
Last update	NA

More Information:

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

Extended Forecast for

Stevens Pass 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: 35 °F
Mostly Sunny
Tonight
Low: 24 °F
Partly Cloudy
New Year's Day
High: 32 °F
Chance Snow
Thursday Night
Low: 28 °F
Snow
Friday
High: 35 °F
Rain/Snow
Friday Night
Low: 30 °F
Rain
Saturday
High: 34 °F
Rain/Snow
Saturday Night
Low: 29 °F
Rain/Snow
then Snow

Detailed Forecast

Today

Mostly sunny, with a high near 35. Light east wind.

Tonight

Partly cloudy, with a low around 24. East wind 3 to 5 mph.

New Year's Day

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 32. Light east wind. New snow accumulation of less than a half inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 28. Light east wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday

Snow before 10am, then rain likely, possibly mixed with snow. High near 35. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday Night

Rain. Low around 30. Chance of precipitation is 80%.

Saturday

Rain, possibly mixed with snow. High near 34. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday Night

Rain and snow, becoming all snow after 10pm. Low around 29. Chance of precipitation is 90%.

Sunday

Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

Sunday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

Monday

A 50 percent chance of snow. Mostly cloudy, with a high near 32.