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Grim School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | |  |  |  | | |  | | | |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM CDT Wed Sep 09 2026 
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Issued: 626 AM CDT Wed Sep 9 2026
Key Messages
Issued at 1230 AM CDT Wed Sep 9 2026- Heat headlines persist today as the expansive upper ridge maintains a stranglehold on much of the southern CONUS.
- A gradual weakening of the upper ridge is expected by the end of this week, making way for a trough to drop south with rain chances increasing areawide on Friday.
- The ridge will eventually regain its footing across much of the