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Underhill, WI Weather Forecast
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Underhill Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  | |  | |  | | | |
| Mostly Cloudy | Clearing | Clear | Showers Likely | Showers | Mostly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Chance of Showers |
| Hi: 51°FHi: 11°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C |
| POP: 60% | POP: 100% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 437 AM CDT Sun Sep 13 2026 
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Issued: 621 AM CDT Sun Sep 13 2026
Key Messages
- The first widespread frost of the season is expected across the north late tonight 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 risk ...