Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

36°F

2°C

Humidity 93%
Wind Speed E 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 03 Mar 03:00 AM PST
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Light southeast wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Southwest wind 3 to 8 mph.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am.  Cloudy, with a low around 47. Southwest wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 4pm.  Cloudy, with a high near 58. Southwest wind 6 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Light southeast wind.
Tuesday
Partly sunny, with a high near 63. Southwest wind 3 to 8 mph.
Tuesday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 47. Southwest wind around 6 mph.
Wednesday
Rain likely, mainly before 4pm. Cloudy, with a high near 58. Southwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.22°N 119.16°W (Elev. 446 ft)
3:15 am PST Mar 3, 2026
3am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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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