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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Stevens Pass - Tye Mill (STS54)

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

NA

30°F

-1°C

Humidity NA
Wind Speed ESE 6 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill24°F (-4°C)
Last update NA
Extended Forecast for

10 Miles SE Stevens Pass WA

Flood Watch December 9, 06:18pm until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 06:18pm until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Tonight

    Low: 29 °F⇑

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain before 1pm, then snow, possibly mixed with rain. The rain could be heavy at times. High near 37. Windy, with a west wind 24 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Windy. Heavy
    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 29. Windy, with a west wind 28 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Rain/Snow and
    Windy

  • Thursday

    Thursday: Snow. High near 31. Breezy, with a west wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 29. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 30. Breezy. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Tonight
Snow before 10pm, then rain and snow between 10pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 37 by 5am. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Wednesday
Rain before 1pm, then snow, possibly mixed with rain. The rain could be heavy at times. High near 37. Windy, with a west wind 24 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday Night
Rain, possibly mixed with snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 29. Windy, with a west wind 28 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 31. Breezy, with a west wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 29. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30. Breezy. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 80%.
Monday Night
Snow. The snow could be heavy at times. Low around 27. Breezy. Chance of precipitation is 90%.
Tuesday
Snow. The snow could be heavy at times. High near 29. Breezy. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Stevens Pass WA
 47.66°N 120.91°W (Elev. 6427 ft)
Last Update:
5:48 pm PST Dec 9, 2025
Forecast Valid:
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation