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Upper Rapid School Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clearing | Sunny | Clear | Sunny | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 20% | POP: 20% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Tue Sep 01 2026 
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Issued: 146 PM MDT Tue Sep 1 2026
Key Messages
- A few severe thunderstorms are possible this afternoon especially across south central SD; damaging winds and large hail could occur.
- Hot temperatures will return for the second half of the week, with above average temperatures. This will result in near- critical fire weather conditions.
Discussion
...(This Evening Through Tuesday) Issued at 142 PM MDT Tue Sep 1 2026
Water vapor imagery shows a strong upper wave lifting NE, crossing the Dakotas/eastern MT. Surface analysis shows a surfa...