McCarthy Lake, WI Weather Forecast
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McCarthy Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
| Mostly Sunny | Mostly Clear | Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CDT Thu Oct 01 2026 

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Issued: 133 PM CDT Thu Oct 1 2026
Key Messages
- Widespread frost and freeze conditions are expected tonight. Additional frost and freezing temperatures are possible again Friday night.
- Light rain is expected Saturday into Saturday evening, especially along the International Border.
- Another widespread frost/freeze is expected Sunday night into Monday morning.
Discussion
... Issued at 132 PM CDT Thu Oct 1 2026
We have some mixed cloudscapes out there this afternoon with departing mid and high level clouds over northwest Wisconsin and s...
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