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

28°F

-2°C

Humidity NA
Wind Speed W 22 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill14°F (-10°C)
Last update NA
Extended Forecast for

10 Miles SSW Trinity WA

Flood Watch December 9, 07:17am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 07:17am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Today

    High: 40 °F

    Partly Sunny
    then
    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all rain after midnight. The rain could be heavy at times. Temperature falling to near 36 by 9pm, then rising to around 43 during the remainder of the night. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 36 °F⇑

    Rain/Snow
    then Heavy
    Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. Steady temperature around 44. West wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 44 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 40. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain. High near 44. West wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 4am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain between 1pm and 4pm, then rain and snow. High near 40. West wind 8 to 13 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, possibly mixed with snow, becoming all rain after midnight. The rain could be heavy at times. Temperature falling to near 36 by 9pm, then rising to around 43 during the remainder of the night. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain. The rain could be heavy at times. Steady temperature around 44. West wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday Night
Rain. Low around 40. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 44. West wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 40.
Saturday
A 40 percent chance of rain, mainly after 10am. Partly sunny, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
Rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Monday
Rain. High near 44. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Trinity WA
 47.92°N 120.89°W (Elev. 2510 ft)
Last Update:
7:06 am PST Dec 9, 2025
Forecast Valid:
7am 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