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Gustafson School Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Mostly Cloudy | Chance of Showers | Chance of T-Storm | Cloudy | Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Showers |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 80% | POP: 70% | POP: 90% | POP: 50% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 152 AM CDT Wed Sep 23 2026 
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Issued: 142 AM CDT Wed Sep 23 2026
Key Messages
- Spotty rain showers (30-55%) are possible through the morning, mainly across portions of central SD to the James River. Additional rain (60-90%) and weak thunderstorm expected midday through Thursday morning with the bulk of the rainfall falling this evening and overnight. Chance of rainfall of a quarter inch or more is 50-90% mainly along and east of I29.
- Occasional rain chances continue for the end of the week with the highest chances (50-85%) Friday evening through Saturday mornin...