Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Overcast

36°F

2°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 28 Dec 05:30 AM PST
Extended Forecast for

5 Miles S Kelso WA

Dense Fog Advisory until December 28, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 28, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 34 °F

    Areas Frost
    and Patchy
    Dense Fog

  • Sunday

    Sunday: Patchy dense fog before 10am. Areas of frost before 11am.  Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Areas Frost
    and Patchy
    Dense Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 4am.  Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am.  Otherwise, partly sunny, with a high near 47. Light northeast wind.

    High: 47 °F

    Frost then
    Partly Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 5am.  Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 9am.  Otherwise, partly sunny, with a high near 49.

    High: 49 °F

    Frost then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 5am.  Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 48.

    High: 48 °F

    Frost then
    Partly Sunny

Detailed Forecast

Overnight
Patchy dense fog. Areas of frost. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Sunday
Patchy dense fog before 10am. Areas of frost before 11am. Otherwise, partly sunny, with a high near 44. Calm wind.
Sunday Night
Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Monday
Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 47. Light northeast wind.
Monday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Tuesday
Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 49.
Tuesday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 37.
New Year's Day
A chance of rain, mainly after 10am. Cloudy, with a high near 49.
Thursday Night
Rain likely. Cloudy, with a low around 40.
Friday
Rain likely. Cloudy, with a high near 48.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Kelso WA
 46.06°N 122.89°W (Elev. 200 ft)
5:41 am PST Dec 28, 2025
5am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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