Shawnee Elementary School-South, IL Weather Forecast
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Shawnee Elementary School-South Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
| Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Sunny | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°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 Lo: 75°FLo: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Fri Aug 28 2026 

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Issued: 154 PM CDT Fri Aug 28 2026
Key Messages
- Confidence is high (60%-90%) that a late season heatwave will impact our region next week, with highs reaching the mid to upper 90s. Overnight lows also look quite balmy, remaining in the mid 70s by mid to late week which may threaten some record warm lows. Heat headline will be needed next week.
- Dry weather is expected over the next 7 days, and limited rainfall prospects may continue through Labor Day weekend.
Discussion
... Issued at 153 PM CDT Fri Aug 28 2026
A very stout upper-level...
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