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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Rain

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Mar 07:35 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: Rain. High near 57. South southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 61. South southeast wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 49. South southeast wind around 6 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 63. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly before 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

Today
Rain. High near 57. South southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 61. South southeast wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 49. South southeast wind around 6 mph. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 63. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Friday
Rain. High near 61. Chance of precipitation is 80%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A slight chance of rain. Snow level 1900 feet rising to 3200 feet in the afternoon. Partly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Mostly cloudy, with a high near 56.
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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:
7:42 am PDT Mar 17, 2026
Forecast Valid:
7am PDT Mar 17, 2026-6pm PDT Mar 23, 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