Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

60°F

16°C

Humidity 52%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Sep 03:01 AM PDT
Extended Forecast for

Trinity WA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northwest wind around 9 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog between 9am and 10am.  Otherwise, sunny, with a high near 73. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread haze between 10pm and 11pm. Areas of smoke before 10pm. Mostly clear, with a low around 45. Calm wind becoming east around 5 mph after midnight.

    Low: 45 °F

    Haze then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 47. Southeast wind 5 to 10 mph becoming light east  in the evening.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northwest wind around 9 mph.
Monday
Patchy fog between 9am and 10am. Otherwise, sunny, with a high near 73. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Widespread haze between 10pm and 11pm. Areas of smoke before 10pm. Mostly clear, with a low around 45. Calm wind becoming east around 5 mph after midnight.
Tuesday
Sunny, with a high near 76. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 47. Southeast wind 5 to 10 mph becoming light east in the evening.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 48.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
2:17 am PDT Sep 15, 2025
3am PDT Sep 15, 2025-6pm PDT Sep 21, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database