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Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Jan 02:35 AM PST
Extended Forecast for

Kelso WA

  • Overnight

    Overnight: Widespread frost.  Otherwise, clear, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • M.L.King Day

    M.L.King Day: Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 9am.  Otherwise, mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after midnight.  Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 48.

    High: 48 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 1am.  Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Areas of frost before 10am.  Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Areas Frost
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow after 4am.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 32. Calm wind.
M.L.King Day
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 52. Light and variable wind.
Monday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. Calm wind.
Tuesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 51. Calm wind.
Tuesday Night
Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 30. Calm wind.
Wednesday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 48.
Wednesday Night
Widespread frost, mainly after 1am. Otherwise, mostly cloudy, with a low around 32.
Thursday
Areas of frost before 10am. Otherwise, partly sunny, with a high near 47.
Thursday Night
A slight chance of snow after 4am. Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow before 10am, then a slight chance of rain. Partly sunny, with a high near 47.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Partly sunny, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
2:46 am PST Jan 19, 2026
2am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database