Walworth County, SD Weather Forecast
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Walworth County Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Rain | Windy | Windy | Mostly Cloudy | Mostly Cloudy | Partly Sunny |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 321 PM CDT Tue Oct 20 2026 

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Issued: 1251 PM CDT Tue Oct 20 2026
Key Messages
- Temperatures continue to be about 10 to 20 degrees above normal through Wednesday, with highs in the upper 60s to mid 70s. By the end of the week temperatures are forecast to be 15 to 25 degrees above normal, ranging in the 70s to potentially the lower 80s.
- Dry conditions continue through Thursday with rain chances (30- 50%) returning Friday into Saturday. Percent chance of rainfall amounts of a tenth of an inch or more is 40 to 60% along and east of the Sisseton Hills with less than...
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