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Turtle Lake, SD Weather Forecast
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Turtle Lake Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  |  |  |  | | | |  |
| Chance of Showers | Patchy Fog | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Cloudy | Mostly Cloudy | Chance of Showers | Showers Likely | Chance of Showers | Mostly Cloudy | Mostly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 100% | POP: 90% | POP: 50% | POP: 30% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1054 PM CDT Wed Sep 16 2026 
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Issued: 1235 AM CDT Thu Sep 17 2026
Key Messages
- Scattered rain and drizzle will push east of the area around midnight.
- Fog looks to develop tonight across much of the region. Visibility may drop to 2 miles or less at times along areas of elevation such as Buffalo Ridge, along rivers and water ways, and valleys. Be prepared for rapidly changing visibility conditions.
- Confidence continues to increase in widespread rainfall moving into the area Thursday late evening through Friday. Rain could be heavy at times, and minor impacts to r...