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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

42°F

6°C

Humidity 99%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 10 Dec 11:01 PM PST
Extended Forecast for

Trinity WA

Flood Warning until December 12, 09:00am
High Wind Warning December 10, 11:23pm until December 11, 04:00am
Click here for hazard details and duration
Flood Warning
High Wind Warning
  •  
    Flood Warning until December 12, 09:00am
    High Wind Warning December 10, 11:23pm until December 11, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Snow, possibly mixed with rain, mainly before 4pm. Steady temperature around 38. Northwest wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow likely before 1am, then rain likely between 1am and 4am, then rain likely, possibly mixed with snow after 4am. Mostly cloudy, with a steady temperature around 37. Northwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 46. West wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. West wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: Rain. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Rain

Detailed Forecast

Tonight
Rain and snow. Low around 35. Northwest wind 9 to 11 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow, possibly mixed with rain, mainly before 4pm. Steady temperature around 38. Northwest wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow likely before 1am, then rain likely between 1am and 4am, then rain likely, possibly mixed with snow after 4am. Mostly cloudy, with a steady temperature around 37. Northwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 46. West wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. West wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 48.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
Rain. High near 45. Chance of precipitation is 90%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Monday
Rain. High near 45. Chance of precipitation is 90%.
Monday Night
Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%.
Tuesday
Rain and snow. High near 40. Chance of precipitation is 90%.
Tuesday Night
Rain and snow. The snow could be heavy at times. Low around 30. Chance of precipitation is 90%.
Wednesday
Snow, possibly mixed with rain. The snow could be heavy at times. High near 37. Chance of precipitation is 90%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
Last Update:
9:22 pm PST Dec 10, 2025
Forecast Valid:
11pm PST Dec 10, 2025-6pm PST Dec 17, 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