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Lyons Lake, IL Weather Forecast
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Lyons Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 | |  |  |  | | | | |  |  | |
| Chance of Showers | Chance of Showers | Cloudy | Mostly Cloudy | Mostly Cloudy | Showers | Showers | Showers | Showers | Showers Likely | Chance of Showers | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 30% | POP: 60% | POP: 60% | POP: 90% | POP: 70% | POP: 60% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 441 PM CDT Fri Oct 30 2026 
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Issued: 605 PM CDT Fri Oct 30 2026
Key Messages
- Rain chances look to increase late this evening through tonight (peaking around 40-70% coverage overnight), with isolated thunderstorms possible.
- An active weather pattern early next week will bring rain and breezy conditions to the region, including on Election Day.
Aviation
/00Z TAFS THROUGH 00Z SUNDAY/... Issued at 604 PM CDT Fri Oct 30 2026
Predominantly VFR conditions will be seen through the period. Low VFR cigs with a few showers will be possible near BRL prior to 03z.31. MVFR cl...