Weather WorldHarmony Lake, WI Weather Forecast
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Harmony Lake Weather Forecast
| REST OF THE NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Partly Cloudy | Freezing Rain | Chance of Showers | Chance of Showers | Partly Cloudy | Light Rain | Light Rain | Light Rain | Showers | Showers Likely | Chance of Showers | Mostly Cloudy |
| Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C |
| POP: 20% | POP: 30% | POP: 20% | POP: 70% | POP: 100% | POP: 100% | POP: 70% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 AM CDT Sat Oct 31 2026 
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Issued: 1203 AM CDT Sat Oct 31 2026
Key Messages
- Spotty light rain and sprinkles (30-60% chances) for Halloween. Rainfall amounts less than 0.10 inch.
- Unsettled conditions much of next week, with widespread showers (70-95%) and gusty winds Monday afternoon through Wednesday, peaking Monday night into Election Day. Shower chances lingers into Thursday.
- The probability of 48-hour rainfall totals over 1" from Monday afternoon through Wednesday afternoon range from 60-75% north and west of the Fox Valley to 40-60% over Fox Valley east ...