Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on 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.

30°F

-1°C

Humidity	NA
Wind Speed	E 10 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	NA

More Information:

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

Extended Forecast for

5 Miles SE 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
This Afternoon
High: 36 °F
Mostly Sunny
Tonight
Low: 26 °F
Increasing
Clouds
New Year's Day
High: 33 °F
Chance Snow
Thursday Night
Low: 28 °F
Snow
Friday
High: 34 °F
Snow then
Rain/Snow
Friday Night
Low: 30 °F
Rain/Snow
Saturday
High: 33 °F
Snow
Saturday Night
Low: 29 °F
Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 36. Light south wind.

Tonight

Increasing clouds, with a low around 26. Southeast wind around 6 mph.

New Year's Day

A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 33. Southeast wind around 5 mph becoming calm in the morning. New snow accumulation of less than a half inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 28. Light southwest wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow before 1pm, then rain and snow. High near 34. West wind 3 to 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Rain, possibly mixed with snow, becoming all snow after 1am. Low around 30. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday

Snow. High near 33. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Saturday Night

Snow. Low around 29. Chance of precipitation is 90%.

Sunday

Snow. High near 31. Chance of precipitation is 80%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

Monday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Monday Night

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