Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

40°F

4°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 08 Dec 03:01 PM PST
Extended Forecast for

9 Miles ESE Trinity WA

Flood Watch December 8, 04:00pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 8, 04:00pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 36 °F

    Heavy Rain

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after midnight. The rain and snow could be heavy at times.  Low around 27. West wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: A chance of snow before 7am, then a chance of snow after 1pm.  Increasing clouds, with a high near 31. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow before 1am, then rain, possibly mixed with snow. The rain and snow could be heavy at times.  Low around 28. West wind 5 to 8 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 28 °F

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. The rain and snow could be heavy at times.  High near 36. West wind 11 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain. The snow could be heavy at times.  Low around 32. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 32 °F

    Rain/Snow

  • Thursday

    Thursday: Snow.  High near 33. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 36. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Snow, possibly mixed with rain, becoming all snow after midnight. The rain and snow could be heavy at times. Low around 27. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday
A chance of snow before 7am, then a chance of snow after 1pm. Increasing clouds, with a high near 31. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow before 1am, then rain, possibly mixed with snow. The rain and snow could be heavy at times. Low around 28. West wind 5 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow, possibly mixed with rain. The rain and snow could be heavy at times. High near 36. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow, possibly mixed with rain. The snow could be heavy at times. Low around 32. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow. High near 33. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Saturday Night
Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Trinity WA
 47.99°N 120.69°W (Elev. 5446 ft)
3:17 pm PST Dec 8, 2025
4pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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