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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Stevens Pass - Tye Mill (STS54)

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

NA

29°F

-2°C

Humidity NA
Wind Speed W 20 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill16°F (-9°C)
Last update NA
Extended Forecast for

13 Miles SSE Stevens Pass WA

Flood Watch December 9, 04:25am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 04:25am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Overnight

    Low: 25 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 31. Breezy, with a west wind 16 to 21 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Chance Snow
    and Breezy
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 36 by 5am. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F⇑

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain before 9am, then rain and snow. The rain could be heavy at times. High near 37. Breezy, with a west wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow. The snow could be heavy at times. Low around 30. Breezy, with a west wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 33 °F

    Heavy Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Breezy, with a west wind around 23 mph, with gusts as high as 37 mph. Total nighttime snow accumulation of 5 to 9 inches possible.
Tuesday
A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 31. Breezy, with a west wind 16 to 21 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 36 by 5am. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Rain before 9am, then rain and snow. The rain could be heavy at times. High near 37. Breezy, with a west wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Rain and snow. The snow could be heavy at times. Low around 30. Breezy, with a west wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30.
Saturday
Snow likely, mainly after 4pm. Partly sunny, with a high near 35. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Snow. High near 32. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSE Stevens Pass WA
 47.56°N 121.04°W (Elev. 6358 ft)
Last Update:
2:52 am PST Dec 9, 2025
Forecast Valid:
4am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation