Weather WorldHeisel Lake, WI Weather Forecast
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Heisel Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  |  |  | |  |  | | |
| Mostly Cloudy | Partly Cloudy | Clear | Chance of Showers | Showers | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 30% | POP: 100% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 607 PM CDT Sat Sep 12 2026 
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Issued: 625 PM CDT Sat Sep 12 2026
Key Messages
- The first widespread frost of the season is expected across the north late Sunday night into early Monday morning. A few of the typical colder locations could drop to or slightly below freezing for a few hours.
- A round or two of heavy rain and storms is possible Monday into Tuesday. The severe weather threat is low.
- Hazardous conditions for small craft are likely Monday afternoon into Tuesday afternoon due to gusty southerly winds or high waves.
- High waves will lead to an increased r...