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Harrison, WI Weather Forecast
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Harrison Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  | | | | | |  |  | |
| Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy |
| Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C |
| POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1004 PM CDT Thu Oct 22 2026 
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Issued: 1248 AM CDT Fri Oct 23 2026
Key Messages
- Dense fog into early Friday morning. Dense Fog Advisory until 9 AM Friday much of northeast and east-central Wisconsin.
- Staying mild into the weekend, with high temperatures inland of Lake Michigan warming into the mid 60s to low 70s.
- Rain chances (20-40%) Saturday night over northern WI, and late Monday into Tuesday over central WI.
- Cooler start to next week, with highs mainly in the 50s.
Discussion
... Issued at 1055 PM CDT Thu Oct 22 2026
Dense fog into early Friday morning...Lingeri...