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Big Bay Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Partly Cloudy | Clear | Mostly Sunny | Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 57°FHi: 14°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C Lo: 38°FLo: 3°C | Hi: 61°FHi: 16°C Lo: 38°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 44°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 44°FLo: 7°C | Hi: 58°FHi: 14°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 46°FLo: 8°C | |
POP = Probability of Precipitation.
Weather Outlook Updated: 241 PM EDT Sun Oct 18 2026 
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Issued: 102 AM EDT Mon Oct 19 2026
Key Messages
- Southwest winds gusting as high as 35 mph will diminish this evening.
- Southwesterly gales over western Lake Superior will diminish by early evening and late tonight over northern Lake Michigan.
- Dry weather expected through much of the workweek.
Discussion
... Issued at 106 PM EDT Sun Oct 18 2026
Early this afternoon upper air model height analysis and satellite water vapor imagery showed zonal flow across the northern tier of the United States with multiple closed lows north of the jet....