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

Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Rain

39°F

4°C

Humidity 95%
Wind Speed W 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 38°F (3°C)
Visibility 8.00 mi
Last update 04 Dec 06:53 PM PST
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 38. Light west wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 54. Northeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 55. Southwest wind 16 to 21 mph, with gusts as high as 36 mph.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly after 4am. Low around 38. Light west wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 1pm. High near 54. Northeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph.
Saturday
Partly sunny, with a high near 55. Southwest wind 16 to 21 mph, with gusts as high as 36 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55.
Sunday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 45.
Monday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 59.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly cloudy, with a high near 56.
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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:
4:17 pm PST Dec 4, 2025
Forecast Valid:
7pm PST Dec 4, 2025-6pm PST Dec 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation