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

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

38°F

3°C

Humidity 99%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 07 Dec 10:01 AM PST
Extended Forecast for

3 Miles SSE Trinity WA

  • Today

    Today: Rain, possibly mixed with snow, becoming all rain after 4pm. High near 41. Light and variable wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow. Low around 34. West wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow. The rain could be heavy at times. High near 45. Southwest wind 3 to 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times. Low around 33. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 33 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain. High near 41. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 4pm, then rain likely, possibly mixed with snow. High near 42. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow, mainly after 4pm. Partly sunny, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 41. Light and variable wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow. Low around 34. West wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow. The rain could be heavy at times. High near 45. Southwest wind 3 to 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 33. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. High near 41. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain before 4pm, then rain likely, possibly mixed with snow. High near 42. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Thursday
Rain likely, possibly mixed with snow, mainly after 4pm. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Thursday Night
Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Rain likely. Partly sunny, with a high near 45. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Trinity WA
 48.02°N 120.82°W (Elev. 2785 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