Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553°NLon: 122.89273°WElev: 13.0ft.

Rain

57°F

14°C

Humidity 87%
Wind Speed SSE 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 10 Dec 09:41 PM PST
Extended Forecast for

Kelso WA

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Tonight

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before noon.  High near 55. Light and variable wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 10pm.  Patchy fog.  Otherwise, cloudy, with a low around 51. Calm wind.  Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly after 10am.  Mostly cloudy, with a high near 57. Light south wind.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog before 1am.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 4am.  Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Tonight
Showers. Steady temperature around 55. South wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before noon. High near 55. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 10pm. Patchy fog. Otherwise, cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 57. Light south wind.
Friday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Saturday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 56.
Saturday Night
Rain, mainly after 4am. Low around 46. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 56.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Cloudy, with a low around 43.
Wednesday
Rain. Cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.13°N 122.88°W (Elev. 400 ft)
9:41 pm PST Dec 10, 2025
9pm PST Dec 10, 2025-6pm PST Dec 17, 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