Second Sister Lake, MI Weather Forecast
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Second Sister Lake Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Clearing | Mostly Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 50% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 944 AM EDT Mon Aug 31 2026 

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Issued: 122 PM EDT Mon Aug 31 2026
Key Messages
- Periodic chances for showers and thunderstorms continue through much of the week. Tuesday carries a Marginal Risk for severe weather with Wednesday evening carrying a Marginal to Slight Risk.
- Warm and humid conditions develop through mid-week. Daily peak temperatures will depend on cloud cover and precipitation.
Aviation
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Organized rain chances will persist into the afternoon with elevated warm front and deep thetae advection occuring over the Central Great Lakes. Subsidence in the w...
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