Bourne Lake, MI Weather Forecast
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Bourne Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Mostly Sunny | Partly Cloudy | Showers Likely | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Sunny | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C |
| POP: 60% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1212 PM EDT Sat Aug 15 2026 

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Bourne Lake Forecast Discussion
Issued: 618 AM EDT Sat Aug 15 2026
Key Messages
- Shower and storm chances return this weekend, primarily Sunday morning into Sunday evening.
- Dry start to next week with rain chances returning by the middle of next week.
Discussion
... Issued at 334 AM EDT Sat Aug 15 2026
Pattern Synopsis:
Ridging will continue to slide over the Great Lakes today, eventually pushing east of the region by the back half of the weekend as troughing progresses overhead. The primary shortwave will pass just to our north as it cr...
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