Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. 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	ESE 10 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 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
Tonight
Low: 20 °F
Decreasing
Clouds
Tuesday
High: 29 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 34 °F
Mostly Sunny
Wednesday Night
Low: 26 °F
Mostly Cloudy
New Year's Day
High: 31 °F
Slight Chance
Snow then
Chance
Rain/Snow
Thursday Night
Low: 26 °F
Rain/Snow
Likely
Friday
High: 30 °F
Rain/Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Calm wind becoming east around 6 mph in the evening.

Tuesday

Mostly sunny, with a high near 29. East wind around 6 mph.

Tuesday Night

Mostly clear, with a low around 23. North wind 3 to 5 mph.

Wednesday

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

Wednesday Night

Mostly cloudy, with a low around 26. Light northeast wind.

New Year's Day

A slight chance of snow between 10am and 4pm, then a chance of rain and snow. Partly sunny, with a high near 31. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Thursday Night

A chance of rain and snow before 7pm, then snow likely between 7pm and 1am, then snow likely, possibly mixed with rain after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Friday

Snow, possibly mixed with rain. High near 30. Chance of precipitation is 80%.

Friday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

Saturday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

Sunday

Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.