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Chicagon Lake Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
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| Chance of Showers | Rain Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Showers | Rain Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy |
| Lo: 41°FLo: 5°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 62°FHi: 17°C | Lo: 53°FLo: 12°C | Hi: 63°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 56°FHi: 13°C Lo: 39°FLo: 4°C | Hi: 56°FHi: 13°C Lo: 39°FLo: 4°C | Hi: 52°FHi: 11°C Lo: 32°FLo: 0°C | Hi: 52°FHi: 11°C Lo: 32°FLo: 0°C | |
| POP: 50% | POP: 50% | POP: 70% | POP: 100% | POP: 100% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CDT Sat Oct 31 2026 
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Issued: 143 PM EDT Sat Oct 31 2026
Key Messages
- A few light showers are possible this evening (20-40% chance). Those headed out trick-or-treating may want to have an umbrella handy, particularly in the far western U.P. and close to the WI/MI border.
- Temperatures will be unseasonably warm Sunday through Tuesday with highs/lows 15-25F warmer than seasonal averages.
- Periods of widespread rain are expected Monday afternoon through Tuesday evening. There is a 60-80% chance for over 1" of rainfall over a 48 hour period, highest in the s...