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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

57°F

14°C

Humidity 35%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Oct 03:10 PM PDT
Extended Forecast for

2 Miles SW Kennewick WA

  • Tonight

    Tonight: Mostly clear, with a low around 39. South wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62. South wind 3 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Southwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 66. Southwest wind around 14 mph, with gusts as high as 21 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. South wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 39. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 62. South wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 44. Southwest wind around 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 66. Southwest wind around 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 41. South wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Kennewick WA
 46.19°N 119.19°W (Elev. 663 ft)
Last Update:
3:30 pm PDT Oct 15, 2025
Forecast Valid:
3pm PDT Oct 15, 2025-6pm PDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation