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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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 22 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill15°F (-9°C)
Last update NA
Extended Forecast for

10 Miles SW Trinity WA

Flood Watch December 9, 09:56am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 09:56am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Today

    High: 30 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 37 by 4am. Southeast wind 8 to 17 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F⇑

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 10am, then rain and snow. The rain could be heavy at times. High near 38. West wind 13 to 16 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. The rain could be heavy at times. Low around 31. West wind 15 to 17 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Snow, possibly mixed with rain, becoming all snow after 10am. High near 34. West wind 14 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow likely before 1am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 35 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Snow likely after 1pm. Mostly cloudy, with a high near 30. West wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 37 by 4am. Southeast wind 8 to 17 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Rain before 10am, then rain and snow. The rain could be heavy at times. High near 38. West wind 13 to 16 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow. The rain could be heavy at times. Low around 31. West wind 15 to 17 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow, possibly mixed with rain, becoming all snow after 10am. High near 34. West wind 14 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely before 1am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. Little or no snow accumulation expected.
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, mainly after 4pm. Partly sunny, with a high near 35. Chance of precipitation is 60%.
Saturday Night
Rain and snow likely before 10pm, then snow. Low around 29. Chance of precipitation is 80%.
Sunday
Snow. High near 31. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 30. Chance of precipitation is 80%.
Monday
Rain and snow. High near 34. Chance of precipitation is 90%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Trinity WA
 47.97°N 121°W (Elev. 5151 ft)
Last Update:
9:28 am PST Dec 9, 2025
Forecast Valid:
9am 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