Weather WorldOpal Lake, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Opal Lake Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | |  |  | | | | | | |
| Sunny | Clear | Smoke | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 99°FHi: 37°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°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: 80°FHi: 27°C | Lo: 55°FLo: 13°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 60% | POP: 20% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 219 PM MDT Fri Aug 07 2026 
Opal Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...