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

57°F

14°C

Humidity 71%
Wind Speed NNE 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Sep 10:05 AM PDT
Extended Forecast for

4 Miles SW Richland WA

  • Today

    Today: Mostly cloudy, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 5 to 7 mph.

    Low: 51 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light northwest wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. North wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light north wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 75. Light northwest wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Clear, with a low around 52. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Light north wind.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Richland WA
 46.23°N 119.36°W (Elev. 889 ft)
Last Update:
4:00 am PDT Sep 15, 2026
Forecast Valid:
10am PDT Sep 15, 2026-6pm PDT Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation