National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

DRY CRK (DCCW1)

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

NA

44°F

7°C

Humidity 96%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 07 Dec 05:25 PM PST
Extended Forecast for

9 Miles NNE Mount St Helens WA

Flood Watch December 8, 04:00am until December 12, 04:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Showers likely before 4am, then a chance of showers after 5am. Snow level 5000 feet. Mostly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Monday

    Monday: Showers, mainly before 10am, then rain after 10am. The rain could be heavy at times. High near 45. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain before 10pm, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow. Snow level 4400 feet rising to 6100 feet in the afternoon. High near 44. South wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times. Low around 39. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Low: 39 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 45. Chance of precipitation is 100%.

    High: 45 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain. The rain could be heavy at times. Low around 41. Chance of precipitation is 90%.

    Low: 41 °F

    Heavy Rain

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
Showers likely before 4am, then a chance of showers after 5am. Snow level 5000 feet. Mostly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, mainly before 10am, then rain after 10am. The rain could be heavy at times. High near 45. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain before 10pm, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow. Snow level 4400 feet rising to 6100 feet in the afternoon. High near 44. South wind around 6 mph. 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 39. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 26 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 45. Chance of precipitation is 100%.
Wednesday Night
Rain. The rain could be heavy at times. Low around 41. Chance of precipitation is 90%.
Thursday
Rain. Mostly cloudy, with a high near 45.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Partly sunny, with a high near 46.
Saturday Night
Rain likely, possibly mixed with snow. Snow level 5900 feet. Mostly cloudy, with a low around 39.
Sunday
Rain likely, possibly mixed with snow. Snow level 5300 feet. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount St Helens WA
 46.3°N 122.09°W (Elev. 3796 ft)
Last Update:
5:41 pm PST Dec 7, 2025
Forecast Valid:
6pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation