Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

28°F

-2°C

Humidity 89%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 15 Mar 03:01 AM PDT
Extended Forecast for

Trinity WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 20. Light northeast wind.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow, mainly after 2pm.  Mostly cloudy, with a high near 38. Light south wind.  New snow accumulation of less than a half inch possible.

    High: 38 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all rain after 4am.  Low around 29. Calm wind becoming southwest around 6 mph after midnight.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Rain/Snow

  • Monday

    Monday: Rain.  High near 47. West wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 40. West wind around 9 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 20. Light northeast wind.
Sunday
A 50 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 38. Light south wind. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow, becoming all rain after 4am. Low around 29. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Rain. High near 47. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. West wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 50. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 90%.
Wednesday
Rain. High near 49. Chance of precipitation is 90%.
Wednesday Night
Rain. Low around 39. Chance of precipitation is 80%.
Thursday
Rain. High near 49. Chance of precipitation is 90%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 52. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
2:26 am PDT Mar 15, 2026
3am PDT Mar 15, 2026-6pm PDT Mar 21, 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