Olsonville, SD Weather Forecast
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Olsonville Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Chance of Showers | Mostly Clear | Mostly Sunny | Clear | Sunny | Windy | Windy | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 727 AM CDT Tue Sep 08 2026 

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Issued: 511 AM MDT Tue Sep 8 2026
Key Messages
- Warm temperatures generally in the 80s and 90s will continue this week, but change is possible by next weekend.
- Mostly dry until Friday afternoon, if not Saturday.
- Elevated to near-critical fire weather conditions will remain the main concern this week.
Discussion
...(This Evening Through Monday) Issued at 210 PM MDT Mon Sep 7 2026
A trough and associated cold front are in the process of crossing the CWA this afternoon, ushering in drier surface air and generally confining additional ch...
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