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

Kennewick WA

  • Tonight

    Tonight: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 37. South wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 8am.  Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Southwest wind around 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °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 50.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers.  Partly sunny, with a high near 62.

    High: 62 °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
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. South wind around 5 mph becoming calm in the evening.
Thursday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Southwest wind around 9 mph.
Friday
Sunny, with a high near 67. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 40. South wind 5 to 10 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 50.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 62.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.22°N 119.16°W (Elev. 446 ft)
3:30 pm PDT Oct 15, 2025
3pm PDT Oct 15, 2025-6pm PDT Oct 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database