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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

35°F

2°C

Humidity 88%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 12 Mar 08:01 PM PDT
Extended Forecast for

Trinity WA

Winter Storm Warning March 12, 08:38pm until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 12, 08:38pm until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 28 °F

    Heavy Snow

  • Friday

    Friday: Snow, mainly before 2pm. The snow could be heavy at times. High near 38. Northwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Heavy Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 21. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 34. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 8am. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain/Snow
    then Rain
    Likely

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Steady temperature around 28. West wind around 7 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Friday
Snow, mainly before 2pm. The snow could be heavy at times. High near 38. Northwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 21. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 34. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 17. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain, possibly mixed with snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 8am. High near 47. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Tuesday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Wednesday
Rain. High near 52. Chance of precipitation is 80%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Partly sunny, with a high near 50. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
Last Update:
4:06 pm PDT Mar 12, 2026
Forecast Valid:
8pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
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