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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

45°F

7°C

Humidity 30%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 10 Mar 01:01 PM PDT
Extended Forecast for

Trinity WA

Winter Storm Watch March 12, 05:00am until March 13, 11:00am
Winter Storm Warning March 10, 05:00pm until March 11, 06:00pm
Blizzard Warning March 11, 06:00pm until March 12, 05:00am
Click here for hazard details and duration
Winter Storm Watch
Winter Storm Warning
Blizzard Warning

  • This Afternoon

    This Afternoon: Snow, mainly after 2pm. High near 35. Southwest wind around 6 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 25. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 40. Southwest wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 40 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow before 8pm, then rain and snow. The snow could be heavy at times. Low around 28. Southwest wind 8 to 17 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow

  • Thursday

    Thursday: Snow. High near 37. West wind 7 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 27. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 27 °F

    Heavy Snow

  • Friday

    Friday: Rain and snow. The snow could be heavy at times. High near 40. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 40 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow, mainly after 2pm. High near 35. Southwest wind around 6 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Low around 25. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 40. Southwest wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday Night
Snow before 8pm, then rain and snow. The snow could be heavy at times. Low around 28. Southwest wind 8 to 17 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 37. West wind 7 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 27. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Rain and snow. The snow could be heavy at times. High near 40. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Low around 23. Chance of precipitation is 80%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
Snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
Rain and snow. Low around 32. Chance of precipitation is 80%.
Monday
Rain, possibly mixed with snow. High near 48. Chance of precipitation is 80%.
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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:
9:42 am PDT Mar 10, 2026
Forecast Valid:
1pm PDT Mar 10, 2026-6pm PDT Mar 16, 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