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Custer Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 55°FHi: 13°C Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C Lo: 45°FLo: 7°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C |
| POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1048 AM CDT Fri Oct 23 2026 
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Issued: 1230 PM CDT Fri Oct 23 2026
Key Messages
- Staying mild into the weekend, with high temperatures inland of Lake Michigan warming into the mid 60s to low 70s.
- Rain chances (30 to 50%) Saturday night over northern Wisconsin, and late Monday into Tuesday mainly over central Wisconsin.
- Cooler start to next week, with highs mainly in the 50s.
Discussion
... Issued at 1200 PM CDT Fri Oct 23 2026
Fog... Similar to yesterday, fog bank has been slow to lift along the lakeshore through the late morning and early afternoon as onshore flow ...