Weather WorldFirefly Lake, WI Weather Forecast
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Firefly Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  | | | |  | | |  | |
| Partly Sunny | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Rain Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C |
| POP: 50% | POP: 30% | POP: 50% | POP: 50% | POP: 30% | POP: 30% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM CDT Sat Oct 24 2026 
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Instant definitions for any meteorological term.
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Issued: 1200 PM CDT Sat Oct 24 2026
Key Messages
- Dense fog across far eastern WI, parts of Green Bay and Lake Michigan into early Saturday.
- Rain chances (30 to 50%) Saturday night over northern Wisconsin, and late Monday into Tuesday (30 to 70%) mainly over central Wisconsin. Amounts will remain light.
- Mild temps continue on Saturday with highs in the 60/70s. A quick shot of more seasonal readings arrive Monday & Tuesday (40/50s), then temps rebound on Wednesday.
Discussion
... Issued at 1149 PM CDT Fri Oct 23 2026
Dense Fog...another...