Harper Lake, WI Weather Forecast
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Harper Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Lo: 50°FLo: 10°C |
| POP: 30% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM CDT Fri Sep 25 2026 

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Issued: 1230 PM CDT Fri Sep 25 2026
Key Messages
- Patchy fog development will be possible north and west of the Fox Valley late tonight into early Saturday morning.
- High pressure will maintain mostly dry weather through early next week.
- Next widespread rain chances arrive during the middle of next week.
Discussion
... Issued at 1200 PM CDT Fri Sep 25 2026
A scattered fair weather cu field has begun popping as of early this afternoon, though conditions remain mostly sunny with temperatures warming into the upper 60s to low 70s. Clearing...
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