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Shell Lake, WI Weather Forecast
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Shell Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  |  | |  |  | |  | |
| Chance of Showers | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 531 AM CDT Sat Sep 19 2026 
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Issued: 620 AM CDT Sat Sep 19 2026
Key Messages
- Lingering light rain will slowly decrease in coverage and slide east through the day today.
- Dangerous swimming conditions expected for the beaches of the Twin Ports today through Monday.
- Unseasonably cool temperatures overnight may lead to frost formation inland beginning Sunday night and continuing through Wednesday night.
Discussion
... Issued at 248 AM CDT Sat Sep 19 2026
Early this morning, our primary weather concerns are widespread stratus, patchy fog, and light rain. The light ra...