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

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

54°F

12°C

Humidity 100%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 10 Dec 12:09 AM PST
Extended Forecast for

17 Miles S Mossyrock WA

Flood Advisory December 10, 12:38am until December 10, 10:00am
Flood Advisory December 10, 12:38am until December 10, 07:00am
Click here for hazard details and duration
Flood Advisory
Flood Advisory
  •  
    Flood Advisory December 10, 12:38am until December 10, 10:00am
    Flood Advisory December 10, 12:38am until December 10, 07:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 49 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain.  High near 50. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Steady temperature around 49. South southwest wind 11 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 48. West southwest wind around 6 mph becoming calm  in the morning.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 10pm.  Low around 47. Calm wind.  Chance of precipitation is 80%.

    Low: 47 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain likely, mainly between 10am and 4pm.  Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 4pm.  Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 49. Breezy, with a south southwest wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 50. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Steady temperature around 49. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 48. West southwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 10pm. Low around 47. Calm wind. Chance of precipitation is 80%.
Friday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.
Saturday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 48.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 42.
Sunday
Rain, mainly before 4pm. Mostly cloudy, with a high near 44.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain. Cloudy, with a high near 45.
Monday Night
Rain. Cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
11:40 pm PST Dec 9, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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