Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. 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.

20°F

-7°C

Humidity	NA
Wind Speed	E 5 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	13°F (-11°C)
Last update	NA

More Information:

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

Extended Forecast for

9 Miles NW Plain 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: 27 °F
Mostly Sunny
Tonight
Low: 20 °F
Partly Cloudy
Wednesday
High: 31 °F
Mostly Sunny
Wednesday Night
Low: 20 °F
Partly Cloudy
New Year's Day
High: 30 °F
Slight Chance
Snow then
Chance Wintry
Mix
Thursday Night
Low: 25 °F
Chance Wintry
Mix then
Chance Snow
Friday
High: 30 °F
Rain/Snow
Friday Night
Low: 26 °F
Rain/Snow

Detailed Forecast

Today

Mostly sunny, with a high near 27. East wind around 8 mph.

Tonight

Partly cloudy, with a low around 20. North wind 3 to 5 mph.

Wednesday

Mostly sunny, with a high near 31. Light and variable wind.

Wednesday Night

Partly cloudy, with a low around 20. Light and variable wind.

New Year's Day

A slight chance of snow between 10am and 1pm, then a chance of freezing rain. Partly sunny, with a high near 30. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday Night

A chance of freezing rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 10am, then rain likely, possibly mixed with snow between 10am and 4pm, then snow after 4pm. High near 30. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Low around 26. Chance of precipitation is 80%.

Saturday

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

Saturday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 24.

Sunday

A 40 percent chance of snow. Mostly cloudy, with a high near 31.

Sunday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 23.

Monday

A 50 percent chance of snow. Partly sunny, with a high near 32.