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Oak Ridge Park, IL Weather Forecast
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Oak Ridge Park Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  | | | | | | |  |  | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 507 AM CDT Tue Sep 01 2026 
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Issued: 403 AM CDT Tue Sep 1 2026
Key Messages
- Afternoon Heat Index values between 100 and 105+ degrees are expected today through Thursday. Heat indices and may also reach that level on Friday and Saturday afternoon if convection chances hold off. A Heat Advisory is in effect over central and southeast IL today through Thursday afternoon.
- High temperatures in the 90s through Saturday, will lower a bit into the upper 80s and lower 90s early next week. The passing cold front brings a low (20-30%) chance of showers and thunderstorm...