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

9 Miles N 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: 34 °F
Mostly Sunny
Tonight
Low: 25 °F
Partly Cloudy
New Year's Day
High: 35 °F
Chance Snow
Thursday Night
Low: 24 °F
Snow
Friday
High: 32 °F
Rain/Snow
Friday Night
Low: 32 °F
Rain
Saturday
High: 40 °F
Rain
Saturday Night
Low: 33 °F
Rain/Snow

Detailed Forecast

Today

Mostly sunny, with a high near 34. Calm wind.

Tonight

Partly cloudy, with a low around 25. Calm wind.

New Year's Day

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 35. Calm wind. New snow accumulation of less than a half inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 24. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain likely after 1pm. High near 32. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Rain. Low around 32. Chance of precipitation is 80%.

Saturday

Rain. High near 40. Chance of precipitation is 90%.

Saturday Night

Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%.

Sunday

Rain likely, possibly mixed with snow, becoming all snow after 7am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

Sunday Night

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

Monday

A 50 percent chance of snow. Partly sunny, with a high near 38.