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

31°F

-1°C

Humidity NA
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

8 Miles SSW Trinity WA

  • Today

    Today: Snow. High near 33. Southeast wind 7 to 14 mph becoming west in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 31. Breezy, with a west wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow and
    Breezy

  • Monday

    Monday: Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. The rain and snow could be heavy at times. High near 37. West wind 8 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 37 °F

    Heavy Snow
    then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow, becoming all snow after 1am. The rain could be heavy at times. Low around 29. Breezy, with a west wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Snow. High near 31. West wind 10 to 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 29. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 29 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. High near 33. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

Detailed Forecast

Today
Snow. High near 33. Southeast wind 7 to 14 mph becoming west in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow. Low around 31. Breezy, with a west wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. The rain and snow could be heavy at times. High near 37. West wind 8 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Rain and snow, becoming all snow after 1am. The rain could be heavy at times. Low around 29. Breezy, with a west wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow. High near 31. West wind 10 to 17 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 29. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow. High near 33. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
Rain and snow likely. 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 32. Chance of precipitation is 50%.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Trinity WA
 47.96°N 120.9°W (Elev. 5482 ft)
Last Update:
8:48 am PST Dec 7, 2025
Forecast Valid:
11am PST Dec 7, 2025-6pm PST Dec 13, 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