Opitz Lake, SD Weather Forecast
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Opitz Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
| Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Mostly Clear | Mostly Clear | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C |
| POP: 70% | POP: 20% | POP: 30% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 507 PM CDT Mon Aug 31 2026 

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Issued: 607 PM CDT Mon Aug 31 2026
Key Messages
- Rainfall chances (50-70%) return for Tuesday/Tuesday night. Severe weather unlikely, generally confined to areas along/south of I-90.
- Above normal temperatures (+5 to +10 degrees) remaining in place through much of the upcoming week, especially the latter half and into the weekend.
Discussion
... Issued at 115 PM CDT Mon Aug 31 2026
Pleasant conditions in place across the region today with surface high pressure overhead and drier air with dewpoints in the 50s. Overnight, temperatures lo...
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