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

Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

48°F

9°C

Humidity 70%
Wind Speed NNW 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 06 Oct 09:20 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. West wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light north wind.
Tuesday
Sunny, with a high near 72. Light and variable wind.
Tuesday Night
Clear, with a low around 43. Light and variable wind.
Wednesday
Sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45. West wind 3 to 6 mph.
Thursday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 47.
Friday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 72.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Saturday
A chance of showers. Mostly sunny, with a high near 66.
Saturday Night
A chance of showers. Partly cloudy, with a low around 44.
Sunday
A chance of showers. Mostly sunny, with a high near 62.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Columbus Day
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.3°N 119.31°W (Elev. 400 ft)
Last Update:
9:30 pm PDT Oct 6, 2025
Forecast Valid:
9pm PDT Oct 6, 2025-6pm PDT Oct 13, 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