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Little Flat Lake, IL Weather Forecast
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Little Flat Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | | |  |  | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°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: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C |
| POP: 40% | POP: 40% | POP: 60% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 314 AM CDT Sat Aug 08 2026 
Little Flat Lake Radar Loop
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