Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

41°F

5°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 11:52 AM PST
Extended Forecast for

4 Miles SSE Mount St Helens WA

Flood Watch December 9, 12:35pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 12:35pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain. The rain could be heavy at times.  Temperature rising to around 48 by midnight. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

    Low: 42 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times.  High near 48. Southwest wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 48 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 46. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 47. West wind 6 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A 40 percent chance of rain.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 46. North wind around 6 mph becoming west. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Rain. The rain could be heavy at times. Temperature rising to around 48 by midnight. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.
Wednesday
Rain. The rain could be heavy at times. High near 48. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday Night
Rain. Low around 46. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 47. West wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 48.
Saturday Night
Rain. Mostly cloudy, with a low around 41.
Sunday
Rain. Mostly cloudy, with a high near 43.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain. Cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Mount St Helens WA
 46.14°N 122.17°W (Elev. 2710 ft)
11:41 am PST Dec 9, 2025
12pm PST Dec 9, 2025-6pm PST Dec 15, 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