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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

54°F

12°C

Humidity 66%
Wind Speed SSW 6 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 06 Mar 09:00 PM PST
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 49. Southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 34 mph.

    High: 63 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain between 10pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 49. Southwest wind around 11 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 68. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 49. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 63. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind 10 to 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
A slight chance of rain between 10pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 54.
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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:
9:15 pm PST Mar 6, 2026
Forecast Valid:
9pm PST Mar 6, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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