Lacky Dam, SD Weather Forecast
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Lacky Dam Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Sunny |
| Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 89°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 20% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 327 AM MDT Sun Sep 06 2026 

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Issued: 1037 PM MDT Sat Sep 5 2026
Key Messages
- Above average temperatures remain in the forecast. The hottest day will be today with highs in the mid to upper 90s with 80s and 90s expected Sunday and Monday.
- Elevated fire weather conditions are expected through the weekend.
- Isolated to scattered thunderstorms are expected through Sunday, focusing on this evening and Sunday afternoon/evening
Discussion
...(This Afternoon Through Friday) Issued at 1139 AM MDT Sat Sep 5 2026
For the rest of today, isolated storms are drifting northward...
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