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 28 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill19°F (-7°C)
Last update NA
Extended Forecast for

6 Miles SSW Trinity WA

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

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 30. Windy, with a west wind 23 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow and
    Windy

  • Monday

    Monday: Rain, possibly mixed with snow. The rain and snow could be heavy at times. High near 34. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 34 °F

    Heavy Snow
    then
    Rain/Snow

  • Monday Night

    Monday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. The rain and snow could be heavy at times. Low around 27. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 27 °F

    Windy.
    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow. High near 29. Breezy, with a west wind 19 to 24 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 28. West wind 8 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 28 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 32. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Snow Likely

Detailed Forecast

Tonight
Snow, mainly before 4am. Low around 30. Windy, with a west wind 23 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Rain, possibly mixed with snow. The rain and snow could be heavy at times. High near 34. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. The rain and snow could be heavy at times. Low around 27. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday
Snow. High near 29. Breezy, with a west wind 19 to 24 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 28. West wind 8 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Friday
Snow likely before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Trinity WA
 47.99°N 120.88°W (Elev. 5915 ft)
Last Update:
2:48 pm PST Dec 7, 2025
Forecast Valid:
7pm PST Dec 7, 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