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Lower Stump Lake, IL Weather Forecast
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Lower Stump Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | |  | |  | | | |  |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Sunny | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 40% | POP: 50% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 757 PM CDT Fri Aug 14 2026 
Lower Stump Lake Radar Loop
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