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Triple Lakes, IL Weather Forecast
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Triple Lakes Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  |  | | | |  |  |  | | |
| Chance of T-Storm | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 503 PM CDT Fri Sep 18 2026 
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Issued: 629 PM CDT Fri Sep 18 2026
Key Messages
- Near record warm temperatures will continue through Saturday, but heat relief will slowly spread south Sunday and Monday behind a cold front. Below to near-average temperatures can be expected Tuesday-Thursday.
- A few showers and thunderstorms are expected this afternoon (20-30%), but more substantial rain chances (60-80%) arrive Sunday and Monday as a cold front moves through the area.
Aviation
/12Z TAFS THROUGH 18Z SATURDAY/... Issued at 1145 AM CDT Fri Sep 18 2026
Thunderstorms to the...