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

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

NA

38°F

3°C

Humidity NA
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

15 Miles WSW Trinity WA

Flood Watch December 8, 03:06pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 8, 03:06pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 36 °F

    Heavy Rain

  • Tonight

    Tonight: Rain and snow, becoming all snow after 11pm. The rain and snow could be heavy at times.  Low around 27. Breezy, with a west wind around 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 27 °F

    Breezy.
    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  Steady temperature around 29. West wind 6 to 13 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. The rain and snow could be heavy at times.  Low around 28. Southeast wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. The rain and snow could be heavy at times.  High near 36. West wind 11 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain. The rain and snow could be heavy at times.  Low around 31. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Snow, possibly mixed with rain, becoming all snow after 10am. The snow could be heavy at times.  High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 33 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow likely before 10pm, then snow likely, possibly mixed with rain.  Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 36. Southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Rain and snow, becoming all snow after 11pm. The rain and snow could be heavy at times. Low around 27. Breezy, with a west wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday
Snow. The snow could be heavy at times. Steady temperature around 29. West wind 6 to 13 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Rain and snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. The rain and snow could be heavy at times. Low around 28. Southeast wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Rain and snow. The rain and snow could be heavy at times. High near 36. West wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, possibly mixed with rain. The rain and snow could be heavy at times. Low around 31. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow, possibly mixed with rain, becoming all snow after 10am. The snow could be heavy at times. High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow likely before 10pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow before 1am, then a chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Saturday Night
Snow, possibly mixed with rain. Low around 30. Chance of precipitation is 80%.
Sunday
Snow. High near 31. Chance of precipitation is 90%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
Snow. High near 33. Chance of precipitation is 80%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Trinity WA
 47.97°N 121.16°W (Elev. 5226 ft)
2:32 pm PST Dec 8, 2025
3pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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