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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Mostly Cloudy

54°F

12°C

Humidity 93%
Wind Speed SE 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Mar 04:20 AM PDT
Extended Forecast for

14 Miles ENE Kelso WA

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 48. South southeast wind around 7 mph.

    Low: 48 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 9am. High near 51. South southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 3am, then a slight chance of rain after 5am. Snow level 6400 feet lowering to 2500 feet after midnight . Mostly cloudy, with a low around 34. North northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain after 2pm. Snow level rising to 2300 feet in the afternoon. Partly sunny, with a high near 44. North northwest wind 3 to 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 30. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: A slight chance of snow before 11am, then a chance of rain. Snow level rising to 3000 feet in the afternoon. Mostly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Areas Frost

  • Monday

    Monday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm. Snow level 3700 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 48. South southeast wind around 7 mph.
Friday
Rain, mainly after 9am. High near 51. South southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely before 3am, then a slight chance of rain after 5am. Snow level 6400 feet lowering to 2500 feet after midnight . Mostly cloudy, with a low around 34. North northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain after 2pm. Snow level rising to 2300 feet in the afternoon. Partly sunny, with a high near 44. North northwest wind 3 to 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 30. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
A slight chance of snow before 11am, then a chance of rain. Snow level rising to 3000 feet in the afternoon. Mostly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 33.
Monday
Mostly cloudy, with a high near 51.
Monday Night
A chance of rain after 11pm. Snow level 3700 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 49.
Tuesday Night
Rain. Cloudy, with a low around 36.
Wednesday
Rain and snow. Snow level 3400 feet. Cloudy, with a high near 45.
Wednesday Night
Rain and snow likely. Snow level 3200 feet lowering to 1900 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow. Snow level rising to 2600 feet in the afternoon. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Kelso WA
 46.18°N 122.62°W (Elev. 1877 ft)
Last Update:
3:41 am PDT Mar 20, 2026
Forecast Valid:
4am PDT Mar 20, 2026-6pm PDT Mar 26, 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