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Mirror Lake, MI Weather Forecast
Mirror Lake, MI Weather Forecast Date: 313 PM EDT Tue Sep 29 2026
The area/counties/county of: Ontonagon, including the city of Ontonagon.or toggle through each period.
Late This Afternoon... Cloudy with a 20% chance of showers. South winds 5 to 15 mph with gusts up to 25 mph.
Tonight... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. South winds 5 to 10 mph, becoming southwest after midnight. Gusts up to 25 mph. Chance of rain 50%.
Wednesday... Unseasonably warm. Partly cloudy in the morning, then clearing. Highs around 79 inland to around 72 at The shore. Southwest winds 5 to 10 mph.
Wednesday Night... Partly cloudy in the evening, then becoming cloudy. Lows around 53. Light southwest winds, becoming west 5 to 10 mph after midnight.
Thursday... Cooler. Mostly cloudy. Highs 63 to 68. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night... Partly cloudy. Patchy frost after midnight. Lows 34 to 39 inland to around 43 at The shore. Light northwest winds inland, except northwest 5 to 15 mph near the shore.
Friday... Patchy frost in the morning. Areas of frost after midnight. Clear. Highs around 60. Lows 30 to 35 inland to around 41 at The shore.
Friday Night... Patchy frost in the morning. Areas of frost after midnight. Clear. Highs around 60. Lows 30 to 35 inland to around 41 at The shore.
Saturday... Partly cloudy. Areas of frost in the morning. Highs around 63.
Saturday Night... A chance of rain showers in the evening. Mostly cloudy. Lows around 38 inland to around 45 at The shore. Chance of rain 50%.
Sunday... Partly cloudy. Highs around 60.
Sunday Night... Mostly clear. Areas of frost. Lows 29 to 34 inland to around 42 at The shore. Highs around 59.
Monday... Mostly clear. Areas of frost. Lows 29 to 34 inland to around 42 at The shore. Highs around 59.
POP = Probability of Precipitation
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