Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

DRY CRK (DCCW1)

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

NA

44°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 09 Dec 06:25 PM PST
Extended Forecast for

14 Miles SE Mount St Helens WA

Flood Watch December 9, 06:50pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 06:50pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Tonight

    Low: 46 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain.  High near 51. West southwest wind 9 to 13 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.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 48. West southwest wind 8 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 49. West wind around 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 48. Calm wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain.  Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain. The rain could be heavy at times. Temperature rising to around 50 by midnight. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 51. West southwest wind 9 to 13 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.
Wednesday Night
Rain. Low around 48. West southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 49. West wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain. Partly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 42.
Monday
Rain. Cloudy, with a high near 48.
Monday Night
Rain. Cloudy, with a low around 42.
Tuesday
Rain. Mostly cloudy, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Mount St Helens WA
 46.06°N 121.99°W (Elev. 2024 ft)
6:41 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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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