Alcester, SD Weather Forecast
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Alcester Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 30% | POP: 50% | POP: 90% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 744 PM CDT Tue Sep 15 2026 

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Issued: 917 PM CDT Tue Sep 15 2026
Key Messages
- Very light rain, sprinkles, or drizzle will be possible Wednesday afternoon into the evening.
- Rain, potentially heavy, will be possible late Thursday night into Friday. While uncertainty remains on the axis of heavy rain placement, some minor impacts to rivers and streams could be possible.
- Near normal temperatures persist this weekend and into next week. Any precipitation chances are likely to remain light and non-severe through the weekend.
Discussion
... Issued at 1232 PM CDT Tue Se...
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