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.

Clear

43°F

6°C

Humidity 75%
Wind Speed NE 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 10:15 PM PDT
Extended Forecast for

10 Miles ESE Kelso WA

  • Tonight

    Tonight: Widespread frost, mainly after midnight.  Otherwise, clear, with a low around 32. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, mostly sunny, with a high near 53. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 2am.  Otherwise, mostly cloudy, with a low around 34. North wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am.  Otherwise, partly sunny, with a high near 53. West northwest wind 3 to 6 mph.

    High: 53 °F

    Areas Frost
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Showers likely after 11pm.  Cloudy, with a low around 43. Northwest wind around 6 mph becoming light and variable.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers.  High near 50. Breezy.  Chance of precipitation is 100%.

    High: 50 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain.  Snow level 3100 feet. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm, then a chance of rain and snow.  Snow level 3100 feet lowering to 1700 feet after midnight . Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 32. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming north 5 to 9 mph in the afternoon.
Sunday Night
Areas of frost after 2am. Otherwise, mostly cloudy, with a low around 34. North wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 53. West northwest wind 3 to 6 mph.
Monday Night
Showers likely after 11pm. Cloudy, with a low around 43. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers. High near 50. Breezy. Chance of precipitation is 100%.
Tuesday Night
Rain. Low around 39. Chance of precipitation is 90%.
Wednesday
Rain. Snow level 3100 feet. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely before 11pm, then a chance of rain and snow. Snow level 3100 feet lowering to 1700 feet after midnight . Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow before 8am, then a chance of rain. Snow level 1600 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 52.
Thursday Night
A slight chance of rain. Snow level 3000 feet lowering to 2200 feet after midnight . Mostly clear, with a low around 34.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 37.
Saturday
A slight chance of rain. Snow level 3300 feet rising to 4100 feet in the afternoon. Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Kelso WA
 46.09°N 122.68°W (Elev. 1358 ft)
9:41 pm PDT Mar 21, 2026
10pm PDT Mar 21, 2026-6pm PDT Mar 28, 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