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Pine Grove, WI Weather Forecast
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Pine Grove Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT |
 |  |  | | | |  |  |  |  | | |
| Patchy Fog | Mostly Cloudy | Showers | Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Lo: 35°FLo: 2°C |
| POP: 90% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 542 PM CDT Mon Sep 28 2026 
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Issued: 706 PM CDT Mon Sep 28 2026
Key Messages
- Patchy dense fog will develop late tonight into Tuesday morning across north-central and eastern Wisconsin, dropping visibility below 1/2 mile locally before clearing by 10 AM.
- Rain shower and thunderstorm probabilities increase to 70 to 90% Tuesday night into Wednesday night with a widespread, soaking rain expected.
- Drier and cooler weather returns Thursday night through Saturday under building surface high pressure, bringing a threat for patchy frost to northern Wisconsin.