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Flandreau, SD Weather Forecast
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Flandreau Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | | |  | | |  |  |  | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Clearing |
| Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C |
| POP: 60% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 649 AM CDT Wed Sep 09 2026 
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Issued: 633 AM CDT Wed Sep 9 2026
Key Messages
- Fog, including dense fog with visibility below half a mile, mainly across northwestern Iowa into southwestern MN. A Dense Fog Advisory is in effect for portions of the area until 9 AM CDT.
- Severe weather possible Friday afternoon and evening. Confidence remains low due to strong capping potential.
- Additional moderate to high chances (50-80 percent) for showers and thunderstorms return Saturday night into early next week. Severe risk is low.
- Cooler conditions arrive this weekend into ...