Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

67°F

19°C

Humidity 35%
Wind Speed SW 19 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Jun 09:53 AM PDT
Extended Forecast for

Prosser WA

  • Today

    Today: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 73. West wind 13 to 16 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Partly cloudy, with a low around 46. West wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers.  Partly sunny, with a high near 69. West wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 49. West wind 5 to 10 mph.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers.  Mostly sunny, with a high near 77. West wind around 6 mph becoming south in the morning.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 73. West wind 13 to 16 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 46. West wind 10 to 16 mph, with gusts as high as 23 mph.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 69. West wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49. West wind 5 to 10 mph.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 77. West wind around 6 mph becoming south in the morning.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
9:45 am PDT Jun 20, 2025
10am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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Additional Resources

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