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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

66°F

19°C

Humidity 68%
Wind Speed WNW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 03 Oct 07:15 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light north northwest wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 52. Light northwest wind.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71.

    High: 71 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light north northwest wind.
Sunday
Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 52. Light northwest wind.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 75.
Thursday Night
Increasing clouds, with a low around 51.
Friday
A slight chance of rain. Partly sunny, with a high near 66.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Saturday
A slight chance of rain. Partly sunny, with a high near 63.
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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 3, 2026
Forecast Valid:
7pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation