Weather WorldCoon Creek Access Area, IL Weather Forecast
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Coon Creek Access Area Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | | |  | | | | |  | |
| Clearing | Mostly Sunny | Clearing | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°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: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 337 PM CDT Sat Aug 29 2026 
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Issued: 326 PM CDT Sat Aug 29 2026
Key Messages
- A late season heat wave is forecast to impact central and southeast IL for the upcoming week starting Sunday. Daily heat indices are projected to reach around 100 Monday afternoon, 100-105F Tuesday through Thursday and upper 90s to around 100 Friday.
- Precipitation chances are low for the next several days, though an active storm track is forecast just to our north for much of next week.
Discussion
... Issued at 330 PM CDT Sat Aug 29 2026
Current Conditions & Synoptic Overview: A broad r...