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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

Stevens Pass WA

Flood Watch December 9, 04:28am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 04:28am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Overnight

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 34. West wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 11pm. The rain and snow could be heavy at times. Temperature rising to around 39 by 4am. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F⇑

    Rain/Snow
    then Heavy
    Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 40. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 40 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Rain Likely

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 30. West wind around 13 mph. Total nighttime snow accumulation of 3 to 5 inches possible.
Tuesday
A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 34. West wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 11pm. The rain and snow could be heavy at times. Temperature rising to around 39 by 4am. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Rain. The rain could be heavy at times. High near 40. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday Night
Rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A chance of rain before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Saturday Night
Rain and snow. Low around 33. Chance of precipitation is 80%.
Sunday
Rain and snow. High near 35. Chance of precipitation is 80%.
Sunday Night
Rain and snow. Low around 33. Chance of precipitation is 80%.
Monday
Rain, possibly mixed with snow. High near 37. Chance of precipitation is 90%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stevens Pass WA
 47.75°N 121.09°W (Elev. 4049 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

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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