National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

61°F

16°C

Humidity 44%
Wind Speed NW 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Oct 06:25 PM PDT
Extended Forecast for

Kelso WA

Frost Advisory October 12, 12:00am until October 12, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 36. North wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Clear then
    Areas Frost

  • Columbus Day

    Columbus Day: Areas of frost before 9am. Otherwise, sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 2am and 5am. Otherwise, partly cloudy, with a low around 48.

    Low: 48 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 36. North wind around 6 mph becoming calm in the evening.
Columbus Day
Areas of frost before 9am. Otherwise, sunny, with a high near 65. Light and variable wind.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Patchy fog between 2am and 5am. Otherwise, partly cloudy, with a low around 48.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 76.
Friday Night
Increasing clouds, with a low around 51.
Saturday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 67.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.13°N 122.88°W (Elev. 400 ft)
Last Update:
6:41 pm PDT Oct 11, 2026
Forecast Valid:
6pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation