Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

64°F

18°C

Humidity 55%
Wind Speed SSW 10 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 05 Aug 05:05 AM PDT
Extended Forecast for

4 Miles SE Prosser WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 7 to 13 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 59. West wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 8am and 11am.  Mostly cloudy, with a high near 78. Southwest wind 8 to 14 mph, with gusts as high as 18 mph.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 54. West wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am.  Sunny, with a high near 79. West wind 8 to 13 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 7 to 13 mph.
Tonight
Increasing clouds, with a low around 59. West wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of showers, mainly between 8am and 11am. Mostly cloudy, with a high near 78. Southwest wind 8 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 54. West wind 9 to 14 mph, with gusts as high as 18 mph.
Thursday
A 20 percent chance of showers before 11am. Sunny, with a high near 79. West wind 8 to 13 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 96.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Prosser WA
 46.17°N 119.71°W (Elev. 1329 ft)
4:20 am PDT Aug 5, 2025
5am PDT Aug 5, 2025-6pm PDT Aug 11, 2025
 
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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