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

46°F

8°C

Humidity 94%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 07 Dec 02:25 PM PST
Extended Forecast for

13 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

  • This Afternoon

    This Afternoon: Rain, mainly before 5pm. High near 45. West southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain likely before 4am, then a chance of rain after 5am. Snow level 4900 feet. Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: Rain. The rain could be heavy at times. High near 48. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain before 1am, then rain, possibly mixed with snow between 1am and 4am, then rain after 4am. The rain could be heavy at times. Low around 37. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 37 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: Rain before 7am, then rain and snow between 7am and 1pm, then rain after 1pm. Snow level 4300 feet rising to 6100 feet in the afternoon. High near 46. Southwest wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times. Low around 41. Breezy. Chance of precipitation is 100%.

    Low: 41 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 48. Breezy. Chance of precipitation is 100%.

    High: 48 °F

    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain. The rain could be heavy at times. Cloudy, with a low around 44.

    Low: 44 °F

    Heavy Rain

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain

Detailed Forecast

This Afternoon
Rain, mainly before 5pm. High near 45. West southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely before 4am, then a chance of rain after 5am. Snow level 4900 feet. Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. The rain could be heavy at times. High near 48. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain before 1am, then rain, possibly mixed with snow between 1am and 4am, then rain after 4am. The rain could be heavy at times. Low around 37. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain before 7am, then rain and snow between 7am and 1pm, then rain after 1pm. Snow level 4300 feet rising to 6100 feet in the afternoon. High near 46. Southwest wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. The rain could be heavy at times. Low around 41. Breezy. Chance of precipitation is 100%.
Wednesday
Rain. The rain could be heavy at times. High near 48. Breezy. Chance of precipitation is 100%.
Wednesday Night
Rain. The rain could be heavy at times. Cloudy, with a low around 44.
Thursday
Rain. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Mount St Helens WA
 46.35°N 122.07°W (Elev. 2949 ft)
Last Update:
2:41 pm PST Dec 7, 2025
Forecast Valid:
2pm PST Dec 7, 2025-6pm PST Dec 13, 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