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Lake Cavour, SD Weather Forecast
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Lake Cavour Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | |  |  |  |  |  | |  | | | |
| Patchy Fog | Patchy Fog | Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 734 PM CDT Tue Sep 29 2026 
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Issued: 704 PM CDT Tue Sep 29 2026
Key Messages
- Light showers will continue this afternoon mainly south of U.S. Highway 18 with up to an additional quarter of an inch of rain. There is a 20 to 30 percent chance for additional showers and isolated non-severe thunderstorms into this evening across far southeast South Dakota, far northeast Nebraska, and northwest Iowa.
- Gradually clearing skies overnight may lead to the rapid development of dense fog. Be prepared to allow for extra time during your Wednesday morning commute if fog dev...