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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Mostly Cloudy

52°F

11°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 18 Mar 10:56 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Rain likely, mainly after 4am. Cloudy, with a steady temperature around 53. South southeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 62. South southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain. High near 59. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38. Northwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Snow level 1400 feet rising to 2300 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 57.

    High: 57 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 4am. Cloudy, with a steady temperature around 53. South southeast wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 62. South southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 59. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38. Northwest wind around 7 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of rain. Snow level 1400 feet rising to 2300 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Increasing clouds, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
10:41 pm PDT Mar 18, 2026
Forecast Valid:
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 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