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City of Sisseton, South DakotaSisseton, SD Weather Forecast
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Sisseton Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | | | | | |  |  |
| Windy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 PM CDT Sat Oct 17 2026 
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Issued: 101 PM CDT Sat Oct 17 2026
Key Messages
- Strong downsloping winds along the eastern slopes of the Sisseton Hills will continue with gust up to 45 mph with locally higher gusts possible. Winds will ease slightly this evening before ramping back up overnight with a 40 to 60 percent chance of gusts exceeding 45 mph through Sunday morning.
- Dry conditions and temperatures roughly 5 to 10 degrees above average continue from Sunday through early next week, with Monday being the exception as temperatures dip closer to average.