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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

72°F

22°C

Humidity 35%
Wind Speed SW 6 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Sep 05:53 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Northwest wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. North wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53. North wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. Northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 78. North wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday Night
Clear, with a low around 53. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 81.
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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:
3:01 pm PDT Sep 14, 2026
Forecast Valid:
6pm PDT Sep 14, 2026-6pm PDT Sep 21, 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