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

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

39°F

4°C

Humidity 75%
Wind Speed E 5 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Mar 08:35 AM PDT
Extended Forecast for

Kennewick WA

  • Today

    Today: Mostly sunny, with a high near 59. Light and variable wind becoming southeast around 5 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Light southwest wind.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 48. South wind 3 to 5 mph.

    Low: 48 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Cloudy, with a high near 61. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Light and variable wind becoming southeast around 5 mph.
Tonight
Mostly cloudy, with a low around 39. Light and variable wind.
Monday
Partly sunny, with a high near 63. Light southwest wind.
Monday Night
Cloudy, with a low around 48. South wind 3 to 5 mph.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 61. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.22°N 119.16°W (Elev. 446 ft)
Last Update:
4:20 am PDT Mar 22, 2026
Forecast Valid:
8am PDT Mar 22, 2026-6pm PDT Mar 28, 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