Weather WorldLake Piasa, IL Weather Forecast
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Lake Piasa Weather Forecast
| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | |  | |  |  |  |  | |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm |
| Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1038 PM CDT Tue Aug 11 2026 
Lake Piasa Radar Loop
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