Square Lake, MN Weather Forecast
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Square Lake Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of Showers | Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Chance of T-Storm | Showers | Partly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Partly Cloudy |
| Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C |
| POP: 50% | POP: 100% | POP: 100% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Sat Sep 12 2026 

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Issued: 159 AM CDT Sat Sep 12 2026
Key Messages
- Cooler fall weather moves in today, then continues through the next week.
- Patchy frost is possible late Sunday night into early Monday morning across the typically colder locations of the Northland.
- Widespread rain and thunderstorms are likely Monday into early Tuesday, bringing a potential for heavy rainfall and soaking conditions. Severe weather is not expected.
Discussion
... Issued at 157 AM CDT Sat Sep 12 2026
The cold front that brought showers and thunderstorms to the Northland F...
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