Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

37°F

3°C

Humidity 66%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 21 Mar 10:01 PM PDT
Extended Forecast for

3 Miles N Trinity WA

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind around 11 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. West wind around 10 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Northwest wind 6 to 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 42. West wind around 6 mph.

    High: 42 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 30. West wind around 6 mph.  New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 2pm, then rain and snow.  High near 34. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible.  Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow.  High near 32. Chance of precipitation is 80%.

    High: 32 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 20. West wind around 11 mph.
Sunday
Sunny, with a high near 35. West wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 22. Northwest wind 6 to 8 mph.
Monday
Increasing clouds, with a high near 42. West wind around 6 mph.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 30. West wind around 6 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 2pm, then rain and snow. High near 34. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. High near 32. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 32.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 23.
Saturday
A 10 percent chance of snow. Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Trinity WA
 48.1°N 120.84°W (Elev. 5164 ft)
9:02 pm PDT Mar 21, 2026
11pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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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