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

32°F

0°C

Humidity NA
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill25°F (-4°C)
Last update NA
Extended Forecast for

6 Miles W Trinity WA

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

  • This Afternoon

    This Afternoon: Snow. High near 29. Breezy, with a west wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 6 to 10 inches possible.

    High: 29 °F

    Snow and
    Breezy

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 27. Windy, with a west wind around 26 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and
    Windy

  • Monday

    Monday: Snow, mainly after 7am. The snow could be heavy at times. High near 31. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    High: 31 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Low around 24. Windy, with a west wind 24 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 24 °F

    Heavy Snow
    and Windy

  • Tuesday

    Tuesday: Snow. High near 27. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Low: 25 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 29. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 29 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °F

    Heavy Snow

Detailed Forecast

This Afternoon
Snow. High near 29. Breezy, with a west wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow, mainly before 4am. Low around 27. Windy, with a west wind around 26 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow, mainly after 7am. The snow could be heavy at times. High near 31. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Monday Night
Snow. The snow could be heavy at times. Low around 24. Windy, with a west wind 24 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Tuesday
Snow. High near 27. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 29. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 80%.
Thursday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Friday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Trinity WA
 48.04°N 120.96°W (Elev. 7999 ft)
Last Update:
2:48 pm PST Dec 7, 2025
Forecast Valid:
5pm PST Dec 7, 2025-6pm PST Dec 14, 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