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Buffalo Slough, SD Weather Forecast
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Buffalo Slough Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | | |  | | |  | | |  |
| Chance of T-Storm | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 40% | POP: 20% | POP: 40% | POP: 70% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 259 AM CDT Sat Aug 15 2026 
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Buffalo Slough Forecast Discussion
Issued: 343 AM CDT Sat Aug 15 2026
Key Messages
- Low stratus and fog, including locally dense fog, continue into mid morning. Fog should lift by 10 AM. Lower confidence for stratus and fog Sunday morning and again Monday morning.
- Scattered showers and a few storms are expected this afternoon especially near and east of I-29. Locally heavy rainfall is the main concern, but a wind gust to 45 mph can`t be ruled out in the a stronger sto...