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Market Square, WI Weather Forecast
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Market Square Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  |  | |  |  | | | |
| Chance of T-Storm | Partly Sunny | Mostly Clear | Sunny | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C |
| POP: 30% | POP: 40% | POP: 60% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1031 PM CDT Sat Aug 15 2026 
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Issued: 1027 PM CDT Sat Aug 15 2026
Key Messages
- Isolated showers & thunderstorms possible(10-30%) after midnight, along the Wisconsin/Illinois border. No severe weather expected.
- Drier & more comfortable Monday. Storm chances return Tuesday into Wednesday.
Aviation
... Issued 1027 AM CDT Sat Aug 15 2026
Low ceilings around 500 to 2000 feet are expected through the overnight hours into Sunday morning across far southern and southeastern Wisconsin. Ceilings are scattered to broken which will cause varying ...