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John Nelson Elementary School, IL Weather Forecast
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John Nelson Elementary School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | |  |  |  | | |  | | | |
| Isolated Showers | Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C |
| POP: 40% | POP: 20% | POP: 90% | POP: 80% | POP: 40% | POP: 60% | POP: 80% | POP: 70% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 856 AM CDT Sun Sep 13 2026 
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Issued: 639 AM CDT Sun Sep 13 2026
Key Messages
- Cooler today with a chance for afternoon showers.
- Waves of heavy rain producing thunderstorms possible in the general region early to mid next week.
Discussion
... Issued at 304 AM CDT Sun Sep 13 2026
Northerly surface winds are ushering in cooler, less humid air early this morning following yesterday`s cold frontal passage. This post-frontal airmass will bring fall-like temperatures today, with highs remaining in the lower 70s north and the mid- to-upper 70s south. Skies will turn most...