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.

Overcast

47°F

8°C

Humidity 89%
Wind Speed WNW 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 44°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 21 Mar 01:56 AM PDT
Extended Forecast for

14 Miles ENE Kelso WA

  • Overnight

    Overnight: A 20 percent chance of rain before 3am.  Areas of frost after 4am. Snow level 2400 feet lowering to 1900 feet.  Otherwise, mostly cloudy, with a low around 32. North northwest wind around 6 mph.

    Low: 32 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 45. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 45 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm.  Otherwise, mostly clear, with a low around 30. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, mostly sunny, with a high near 49. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 49 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am.  Otherwise, partly cloudy, with a low around 32. North northwest wind 5 to 9 mph becoming light north  after midnight.

    Low: 32 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am.  Otherwise, mostly cloudy, with a high near 49.

    High: 49 °F

    Frost then
    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Snow level 3700 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 48. Breezy.

    High: 48 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5500 feet lowering to 3600 feet after midnight . Cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of rain before 3am. Areas of frost after 4am. Snow level 2400 feet lowering to 1900 feet. Otherwise, mostly cloudy, with a low around 32. North northwest wind around 6 mph.
Saturday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 45. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 32. North northwest wind 5 to 9 mph becoming light north after midnight.
Monday
Widespread frost, mainly before 9am. Otherwise, mostly cloudy, with a high near 49.
Monday Night
Rain likely, mainly after 11pm. Snow level 3700 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 48. Breezy.
Tuesday Night
Rain. Snow level 5500 feet lowering to 3600 feet after midnight . Cloudy, with a low around 36. Breezy.
Wednesday
Rain. Snow level 3100 feet. Cloudy, with a high near 46.
Wednesday Night
Rain and snow likely. Snow level 3200 feet lowering to 2200 feet after midnight . Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow. Snow level 1900 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 47.
Thursday Night
A slight chance of rain. Snow level 3100 feet lowering to 2300 feet after midnight . Partly cloudy, with a low around 31.
Friday
A slight chance of rain and snow. Snow level 2100 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Kelso WA
 46.18°N 122.62°W (Elev. 1877 ft)
2:01 am PDT Mar 21, 2026
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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