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

BUCK CREEK (BKRW1)

Lat: 46.05667°NLon: 121.53861°WElev: 2708.0ft.

NA

41°F

5°C

Humidity 100%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 05:25 PM PST
Extended Forecast for

16 Miles E Mount St Helens WA

Flood Watch December 9, 05:49pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 05:49pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 48 °F

    Heavy Rain

  • Tonight

    Tonight: Rain. The rain could be heavy at times.  Temperature rising to around 48 by midnight. West southwest wind 6 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 45 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain.  High near 50. West southwest wind 10 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 48. West southwest wind 8 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 50. West wind around 6 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: 50 °F

    Rain

  • Thursday Night

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

    Low: 47 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 48. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. The rain could be heavy at times. Temperature rising to around 48 by midnight. West southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 50. West southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 48. West southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 50. West wind around 6 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, mainly before 10pm. Low around 47. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain. Partly sunny, with a high near 52.
Saturday Night
Rain, mainly after 4am. Mostly cloudy, with a low around 41.
Sunday
Rain. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain. Cloudy, with a high near 48.
Monday Night
Rain. Cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Mount St Helens WA
 46.19°N 121.84°W (Elev. 2149 ft)
5:45 pm PST Dec 9, 2025
5pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database