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Joubert Lake, SD Weather Forecast
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Joubert Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | |  | |  | | | | |
| Chance of T-Storm | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Clearing | Partly Cloudy | Mostly Sunny | Clearing | Mostly Sunny |
| Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 80% | POP: 40% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 644 PM CDT Thu Aug 20 2026 
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Joubert Lake Forecast Discussion
Issued: 211 PM CDT Thu Aug 20 2026
Key Messages
- Isolated thunderstorms could develop this afternoon and evening. IF storms are able to develop, two+ inch hail and 50-70 mph winds are the main hazards. An isolated tornado is also possible.
- Warmer temperatures continue on Friday, with another low chance (20-30%) for thunderstorms in the afternoon and evening along and south of the Missouri River.
- Slightly cooler weather for the weekend. Saturday should remain dry with rain chances (40-70%) returning to ...