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

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

NA

50°F

10°C

Humidity 95%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 08 Dec 02:25 PM PST
Extended Forecast for

17 Miles ESE Mount St Helens WA

Flood Watch until December 12, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 12, 04:00am

    NOW until 4:00am Fri

    Flood Watch

  • This Afternoon

    High: 44 °F

    Heavy Rain
    and Windy

  • Tonight

    Tonight: Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times.  Low around 36. Very windy, with a west southwest wind 26 to 30 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Very Windy.
    Heavy Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 1pm.  Snow level 4100 feet rising to 8500 feet in the afternoon. High near 45. North northeast wind 6 to 9 mph becoming south in the afternoon.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times.  Low around 40. Windy, with a west southwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Low: 40 °F

    Heavy Rain
    and Windy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times.  High near 46. Windy, with a west southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °F

    Heavy Rain
    and Windy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 43. Breezy.  Chance of precipitation is 100%.

    Low: 43 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain.  High near 45. Breezy.  Chance of precipitation is 90%.

    High: 45 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 44. Windy, with a west southwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 36. Very windy, with a west southwest wind 26 to 30 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4100 feet rising to 8500 feet in the afternoon. High near 45. North northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. The rain could be heavy at times. Low around 40. Windy, with a west southwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday
Rain. The rain could be heavy at times. High near 46. Windy, with a west southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 43. Breezy. Chance of precipitation is 100%.
Thursday
Rain. High near 45. Breezy. Chance of precipitation is 90%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 45.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 44.
Saturday Night
Rain likely. Snow level 5900 feet. Mostly cloudy, with a low around 38.
Sunday
Rain, possibly mixed with snow. Snow level 5100 feet. Mostly cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Mount St Helens WA
 46.12°N 121.85°W (Elev. 3999 ft)
2:41 pm PST Dec 8, 2025
2pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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