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

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

NA

48°F

9°C

Humidity 100%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 09 Dec 07:52 PM PST
Extended Forecast for

8 Miles NNW Mount St Helens WA

Flood Watch December 9, 08:26pm until December 11, 04:00pm
Flood Advisory December 9, 08:26pm until December 9, 10:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch December 9, 08:26pm until December 11, 04:00pm
    Flood Advisory December 9, 08:26pm until December 9, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 49. Southwest wind 9 to 11 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Steady temperature around 47. Southwest wind 7 to 9 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: 47 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 48. West wind around 5 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.  Low around 44. Calm wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Steady temperature around 46. South southwest wind 6 to 9 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 49. Southwest wind 9 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. Steady temperature around 47. Southwest wind 7 to 9 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 wind around 5 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. Low around 44. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 50.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Sunday
Rain. Mostly cloudy, with a high near 45.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Monday
Rain. Cloudy, with a high near 47.
Monday Night
Rain. Cloudy, with a low around 39.
Tuesday
Rain, possibly mixed with snow. Snow level 4500 feet. Cloudy, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount St Helens WA
 46.3°N 122.27°W (Elev. 2936 ft)
8:20 pm PST Dec 9, 2025
8pm 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