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Brunswick Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Increasing Clouds | Chance of T-Storm | Sunny | Increasing Clouds | Partly Sunny | Chance of Showers | Chance of T-Storm | Clouds | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 70% | POP: 30% | POP: 100% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 328 AM CDT Fri Sep 11 2026 
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Issued: 251 AM CDT Fri Sep 11 2026
Key Messages
- A few thunderstorms will develop late this afternoon and tonight, primarily north of I-94. There is a level 2 out of 5 risk for severe thunderstorms.
- Widespread rain arrives Monday, but forecast rain amounts have trended lower.
- Turning much cooler this weekend and next week with highs in the 60s to low 70s.
Discussion
... Issued at 251 AM CDT Fri Sep 11 2026
Clear skies are present across the Upper Midwest early this morning. Clouds will increase today as a disturbance over northern WY ...