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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

66°F

19°C

Humidity 32%
Wind Speed SW 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Mar 11:20 PM PDT
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: Cloudy, with a low around 56. Southwest wind around 7 mph.

    Low: 56 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 74 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 74. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 74 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 48. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 56. Southwest wind around 7 mph.
Thursday
Mostly cloudy, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 56. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 74. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
Cloudy, with a low around 48. West wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 60.
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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:
10:15 pm PDT Mar 18, 2026
Forecast Valid:
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation