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

Stevens Pass - Tye Mill (STS54)

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

21°F

-6°C

Humidity	NA
Wind Speed	E 11 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	9°F (-13°C)
Last update	NA

More Information:

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

Extended Forecast for

9 Miles SSW Trinity 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: 24 °F
Partly Cloudy
Wednesday
High: 34 °F
Mostly Sunny
Wednesday Night
Low: 25 °F
Partly Cloudy
New Year's Day
High: 32 °F
Chance Snow
Thursday Night
Low: 27 °F
Snow
Friday
High: 33 °F
Snow then
Rain/Snow
Likely
Friday Night
Low: 32 °F
Rain/Snow
Saturday
High: 35 °F
Rain/Snow

Detailed Forecast

Overnight

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

Wednesday

Mostly sunny, with a high near 34. Light and variable wind.

Wednesday Night

Partly cloudy, with a low around 25. Light northeast wind.

New Year's Day

A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 32. Light and variable wind. New snow accumulation of less than a half inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 27. Light southeast wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow before 1pm, then rain and snow likely between 1pm and 4pm, then rain likely after 4pm. High near 33. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

Rain before 10pm, then rain, possibly mixed with snow. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Rain, possibly mixed with snow. High near 35. Chance of precipitation is 90%.

Saturday Night

Rain and snow, becoming all snow after 10pm. Low around 30. Chance of precipitation is 90%.

Sunday

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

Sunday Night

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

Monday

A 50 percent chance of snow. Partly sunny, with a high near 33.

Monday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 26.