Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday
In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >
Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
81°F
27°C
| Humidity | 38% |
| Wind Speed | WNW 14 MPH |
| Barometer | 29.83 in (1010.16 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 07 Jul 10:53 PM PDT |
Extended Forecast for
4 Miles E Prosser WA
Tonight
Low: 60 °F
Partly Cloudy
Wednesday
High: 88 °F
Becoming
SunnyWednesday Night
Low: 55 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 55 °F
Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 55 °F
Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 56 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 60. Southwest wind 9 to 11 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 88. West wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 55. West wind 7 to 10 mph.
Thursday
Sunny, with a high near 86. Southwest wind around 7 mph.
Thursday Night
Clear, with a low around 55. West wind 6 to 9 mph.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Prosser WA
46.21°N 119.69°W (Elev. 1598 ft)
46.21°N 119.69°W (Elev. 1598 ft)
9:26 pm PDT Jul 7, 2026
11pm PDT Jul 7, 2026-6pm PDT Jul 14, 2026
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