Weather WorldOpal Lake, SD Weather Forecast
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Opal Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Sunny | Clear | Smoke | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C | Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 20% | POP: 50% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 503 AM MDT Fri Aug 07 2026 
Opal Lake Radar Loop
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