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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Stevens Pass - Tye Mill (STS54)

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

NA

33°F

1°C

Humidity NA
Wind Speed WNW 24 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill20°F (-7°C)
Last update NA
Extended Forecast for

4 Miles ENE Stevens Pass WA

Flood Watch December 8, 07:00am until December 9, 04:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain and snow before 4am, then a chance of rain between 4am and 5am, then a chance of rain and snow after 5am. Low around 37. West wind around 11 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after noon. The rain could be heavy at times. High near 45. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Heavy
    Rain

  • Monday Night

    Monday Night: Rain and snow, becoming all snow after 5am. The rain could be heavy at times. Low around 33. West wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow before 10am, then rain and snow. High near 41. West wind 5 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 1am. The rain could be heavy at times. Low around 34. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 4pm, then rain, possibly mixed with snow. High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all rain after 7pm. Low around 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    then Rain

  • Thursday

    Thursday: Rain. High near 44. Chance of precipitation is 80%.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

Detailed Forecast

Overnight
Rain and snow before 4am, then a chance of rain between 4am and 5am, then a chance of rain and snow after 5am. Low around 37. West wind around 11 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain, possibly mixed with snow, becoming all rain after noon. The rain could be heavy at times. High near 45. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Rain and snow, becoming all snow after 5am. The rain could be heavy at times. Low around 33. West wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Snow before 10am, then rain and snow. High near 41. West wind 5 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. The rain could be heavy at times. Low around 34. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain before 4pm, then rain, possibly mixed with snow. High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 7pm. Low around 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain. High near 44. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 39. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Sunday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Stevens Pass WA
 47.78°N 121.01°W (Elev. 3428 ft)
Last Update:
1:13 am PST Dec 8, 2025
Forecast Valid:
1am PST Dec 8, 2025-6pm PST Dec 14, 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