National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

NA

28°F

-2°C

Humidity NA
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

4 Miles ENE Stevens Pass WA

Winter Weather Advisory December 26, 04:00am until December 26, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Slight Chance
    Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 32. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow, mainly before 4am. The snow could be heavy at times. Low around 19. West wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 19 °F

    Heavy Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 10am. Partly sunny, with a high near 23. West wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 25. Calm wind.
Friday
Snow. The snow could be heavy at times. High near 32. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 19. West wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday
A 30 percent chance of snow before 10am. Partly sunny, with a high near 23. West wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 15. Calm wind.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 27. Chance of precipitation is 50%.
New Year's Day
Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Stevens Pass WA
 47.78°N 121.01°W (Elev. 3428 ft)
Last Update:
11:57 pm PST Dec 25, 2025
Forecast Valid:
12am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation