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

Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed N 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 31 Aug 10:35 AM PDT
Extended Forecast for

Benton City WA

  • Today

    Today: Sunny, with a high near 88. Northeast wind 6 to 8 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. North wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Northeast wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 60. North wind around 5 mph becoming calm after midnight.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 48.
Friday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Benton City WA
 46.26°N 119.49°W (Elev. 499 ft)
Last Update:
4:00 am PDT Aug 31, 2026
Forecast Valid:
10am PDT Aug 31, 2026-6pm PDT Sep 6, 2026
 
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