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DeKalb High School Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 PM CDT Wed Sep 09 2026 
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Issued: 548 PM CDT Wed Sep 9 2026
Key Messages
Issued at 349 PM CDT Wed Sep 9 2026- 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.
- Upper ridging will eventually return across the region, limiting daily convection to diurnally driven activity mainly during peak heating hours by next week. This could bring the return of Heat headlines.
Discussion
... Issued at 349 PM CDT Wed Sep 9 2026
A few isolated showers are starting ...