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

46°F

8°C

Humidity 100%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 09 Dec 05:52 PM PST
Extended Forecast for

3 Miles ENE Mount St Helens WA

Flood Watch December 9, 06:48pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 06:48pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Tonight

    Low: 40 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain.  High near 46. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 43. Breezy, with a west southwest wind 16 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 43 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain.  High near 44. West wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 43. West southwest wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 45.

    High: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. The rain could be heavy at times. Temperature rising to around 45 by midnight. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday
Rain. High near 46. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 43. Breezy, with a west southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 44. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 43. West southwest wind around 5 mph. 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 45. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 45.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Sunday
Rain. Mostly cloudy, with a high near 39.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37.
Monday
Rain. Cloudy, with a high near 41.
Monday Night
Rain, possibly mixed with snow. Snow level 6400 feet lowering to 5300 feet after midnight . Cloudy, with a low around 37.
Tuesday
Rain and snow. Snow level 4600 feet. Cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount St Helens WA
 46.21°N 122.12°W (Elev. 3865 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