Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Rain

50°F

10°C

Humidity 93%
Wind Speed WNW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 09 Dec 02:35 AM PST
Extended Forecast for

14 Miles ENE Kelso WA

Flood Watch December 9, 02:49am until December 12, 04:00am
Flood Advisory December 9, 02:49am until December 9, 04:00am
Flood Warning until December 9, 08:00am
Click here for hazard details and duration
Flood Watch
Flood Advisory
Flood Warning
  •  
    Flood Watch December 9, 02:49am until December 12, 04:00am
    Flood Advisory December 9, 02:49am until December 9, 04:00am
    Flood Warning until December 9, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 41 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain.  High near 49. Light and variable wind becoming south around 6 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times.  Temperature rising to around 50 by midnight. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain.  High near 51. Breezy, with a south wind 13 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 51 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 48. South southwest wind around 14 mph, with gusts as high as 24 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 49. Chance of precipitation is 90%.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. The rain could be heavy at times. Low around 41. North northwest wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 49. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. The rain could be heavy at times. Temperature rising to around 50 by midnight. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 51. Breezy, with a south wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 48. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 49. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 42.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain. Mostly cloudy, with a low around 43.
Monday
Rain. Cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Kelso WA
 46.18°N 122.62°W (Elev. 1877 ft)
2:41 am PST Dec 9, 2025
2am 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