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Laffey Lake, SD Weather Forecast
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Laffey Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | | | |  |  | |  | | |  |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Sunny | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Clearing |
| Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 819 PM CDT Tue Aug 25 2026 
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Issued: 618 PM CDT Tue Aug 25 2026
Key Messages
- Seasonable temperatures and dry weather prevails through Thursday with highs in the upper 70s and 80s, and lows in the 50s to lower 60s.
- Warmer and more humid air returns Friday through the weekend with moderate (40-60%) chances for storms late Friday into Friday night.
- Periodic shower and storm chances continue this weekend into early next week. Confidence on any details is low.
Discussion
... Issued at 1244 PM CDT Tue Aug 25 2026
Wednesday and Thursday both look dry and seasonally war...