Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

75°F

24°C

Humidity 33%
Wind Speed ESE 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 05 Sep 05:20 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a slight chance of showers after 5pm.  Increasing clouds, with a high near 73. Calm wind becoming northwest around 6 mph in the morning.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 55. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southwest wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Light and variable wind.
Sunday
A slight chance of showers before 2pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 73. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 20%.
Labor Day
Mostly sunny, with a high near 78. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 52. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A slight chance of showers. Mostly sunny, with a high near 83.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.3°N 119.31°W (Elev. 400 ft)
3:00 pm PDT Sep 5, 2026
5pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database