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Lake Susan, WI Weather Forecast
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Lake Susan Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
 |  |  |  | | | |  |  |  | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Mostly Clear | Mostly Clear |
| Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C |
| POP: 90% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1032 PM CDT Thu Aug 20 2026 
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Issued: 945 PM CDT Thu Aug 20 2026
Key Messages
- There is a 50-80% chance of showers and storms from late afternoon through late tonight. No severe weather is expected.
- Scattered thunderstorms (40-60% chance) are expected to redevelop over eastern WI between 3 and 9 PM Friday. Isolated strong to severe storms are possible (level 1 of 5 risk).
- Scattered showers and thunderstorms (40-60% chance) are expected over north- central to eastern Wisconsin on Saturday.
- Through Saturday, most areas will have pot...