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Squirrel Lake, WI Weather Forecast
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Squirrel Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | |  | |  | |  |  | |  | |
| Becoming Cloudy | Chance of Showers | Chance of Showers | Patchy Fog | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Patchy Fog | Partly Cloudy | Patchy Fog |
| Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C |
| POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1148 AM CDT Fri Sep 18 2026 
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Issued: 1236 PM CDT Fri Sep 18 2026
Key Messages
- A period of moderate to heavy rainfall is expected this afternoon through Saturday, with the heaviest rain occurring tonight. A 20 to 40 percent chance of rainfall exceeding 2 inches exists roughly south of a Marshfield to Appleton line.
- A quieter and drier weather pattern will settle into the region early to mid next week.
Discussion
... Issued at 115 AM CDT Fri Sep 18 2026
The latest RAP analysis and radar and satellite imagery show strong high pressure centered over northwest Ontario...