Excessive Rainfall Possible This Weekend; October Heat Wave in California
A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >
Current conditions at
Sunnyside Municipal Airport (K1S5)
Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.
Clear
58°F
14°C
| Humidity | 72% |
| Wind Speed | N 0 MPH |
| Barometer | 30.1 in (1019.3 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 7.00 mi |
| Last update | 04 Oct 09:35 AM PDT |
Extended Forecast for
Prosser WA
Today
High: 82 °F
Sunny
Tonight
Low: 50 °F
Mostly Clear
Monday
High: 84 °F
Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 48 °F
Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 49 °F
Clear
Thursday
High: 82 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 82. Calm wind.
Tonight
Mostly clear, with a low around 50. Calm wind.
Monday
Sunny, with a high near 84. Calm wind.
Monday Night
Mostly clear, with a low around 49. Calm wind.
Tuesday
Sunny, with a high near 81. Calm wind.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.21°N 119.75°W (Elev. 741 ft)
46.21°N 119.75°W (Elev. 741 ft)
4:00 am PDT Oct 4, 2026
10am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
