Logan Dam, SD Weather Forecast
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Logan Dam Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Clear | Partly Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C |
| POP: 20% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 421 PM CDT Tue Oct 06 2026 

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Issued: 214 PM CDT Tue Oct 6 2026
Key Messages
- Elevated fire weather concerns on Wednesday with continued above normal temperatures, dry conditions, and breezy northwest winds.
- Above normal temperatures through Saturday, with mostly dry conditions. Warmest on Saturday with highs in the 80s to around 90 degrees.
- Pattern change to cooler temperatures and increasing chances for moisture early next week.
Discussion
... Issued at 214 PM CDT Tue Oct 6 2026
Latest look at 18Z obs show some areas down around 20 percent humidity scattered ab...
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