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Sumption School Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
 |  |  | | | |  |  | | | |  |
| Mostly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 621 PM CDT Wed Sep 30 2026 
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Issued: 622 PM CDT Wed Sep 30 2026
Key Messages
- Cooler temperatures on the way for the end of the week with daytime readings 3 to 9 degrees below normal Thursday and Friday.
- A 20-40% chance for light rain late Thursday into early Friday for mainly central SD.
- Temperatures remain below normal through the upcoming weekend before rebounding back to normal if not above normal the first part of next week.
Discussion
... Issued at 249 PM CDT Wed Sep 30 2026
Afternoon conditions across the forecast area indicate fairly light to modest winds...