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.

23°F

-5°C

Humidity	NA
Wind Speed	E 13 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

2 Miles NNE 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: 32 °F
Sunny
Tonight
Low: 22 °F
Increasing
Clouds
New Year's Day
High: 36 °F
Chance Snow
Thursday Night
Low: 28 °F
Snow then
Rain/Snow
Friday
High: 40 °F
Rain/Snow
Friday Night
Low: 31 °F
Rain
Saturday
High: 34 °F
Rain
Saturday Night
Low: 31 °F
Rain/Snow

Detailed Forecast

This Afternoon

Sunny, with a steady temperature around 32. Calm wind.

Tonight

Increasing clouds, with a low around 22. Calm wind.

New Year's Day

A 40 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 36. Calm wind. New snow accumulation of less than a half inch possible.

Thursday Night

Snow before 4am, then rain, possibly mixed with snow. Low around 28. Calm wind. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Friday Night

Rain. Low around 31. Chance of precipitation is 90%.

Saturday

Rain. High near 34. Chance of precipitation is 100%.

Saturday Night

Rain before 10pm, then rain, possibly mixed with snow. Low around 31. Chance of precipitation is 90%.

Sunday

Rain and snow. High near 37. Chance of precipitation is 90%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Monday

Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.