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Mosinee Flowage Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  |  |  | | | | |  |
| Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 90% | POP: 50% | POP: 30% | POP: 40% | POP: 30% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 PM CDT Fri Aug 28 2026 
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Issued: 125 PM CDT Fri Aug 28 2026
Key Messages
- Rain probabilities range from 60 to 90 percent on Saturday, with widespread rainfall amounts generally between 0.20 and 0.40 inches possible.
- Hazardous boating and swimming conditions on Lake Michigan from late Saturday night through Sunday evening.
- Becoming warmer and more humid late in the weekend into early next week with thunderstorms possible at times. While severe weather is not anticipated on Saturday, it is too early to determine if any of the storms would become severe from ...