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.

27°F

-3°C

Humidity	NA
Wind Speed	E 10 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	NA

More Information:

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

Extended Forecast for

2 Miles NNW 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: 37 °F
Mostly Sunny
Tonight
Low: 25 °F
Partly Cloudy
New Year's Day
High: 34 °F
Chance Snow
Thursday Night
Low: 29 °F
Snow
Friday
High: 38 °F
Rain/Snow
Friday Night
Low: 32 °F
Rain
Saturday
High: 36 °F
Rain/Snow
Saturday Night
Low: 31 °F
Rain/Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 37. Calm wind.

Tonight

Partly cloudy, with a low around 25. East wind 3 to 5 mph.

New Year's Day

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 34. Light east wind. New snow accumulation of less than a half inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 29. Light east wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday

Snow before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain likely after 1pm. High near 38. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday Night

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

Saturday

Rain before 10am, then rain, possibly mixed with snow. High near 36. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday Night

Rain and snow, becoming all snow after 1am. Low around 31. Chance of precipitation is 90%.

Sunday

Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.

Sunday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Monday

A 50 percent chance of snow. Mostly cloudy, with a high near 35.

Monday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 26.

Tuesday

A 40 percent chance of snow. Mostly cloudy, with a high near 35.