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Thomas Bay Recreation Area, SD Weather Forecast
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Thomas Bay Recreation Area Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Partly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 30% | POP: 20% | POP: 20% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1107 PM CDT Sun Aug 23 2026 
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Issued: 1218 AM CDT Mon Aug 24 2026
Key Messages
- There is a Slight Risk (level 2 out of 5) across central SD and a Marginal Risk (level 1 out of 5) along and west of the James River this evening. The main concerns will be golf ball size hail, wind gusts exceeding 60 mph, lightning, and brief heavy rainfall.
- There is a Marginal Risk (level 1 out of 5) of severe weather Monday night. Threat include one golf ball size hail and 60-75 mph gusts.
Discussion
... Issued at 139 PM CDT Sun Aug 23 2026
A weak upper level trough of low pressure c...