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Rock School Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY |
 |  |  | |  |  | |  | | |  |  |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 70% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 636 PM CDT Wed Sep 02 2026 
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Issued: 653 PM CDT Wed Sep 2 2026
Key Messages
- Isolated to scattered showers and storms are possible this afternoon, mainly along and south of Highway 18 (10-20%).
- Showers and storms develop Thursday morning (40-70%) before a potential MCS moves through the area Thursday night.
- Periodic showers and storms continue through the holiday weekend.
Discussion
... Issued at 1158 AM CDT Wed Sep 2 2026
This Afternoon - Tonight: Isolated to Scattered Showers/Storms
The quasi-stationary boundary that has plagued the Upper Mississippi River Vall...