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Arc Lake, MI Weather Forecast
Arc Lake, MI Weather Forecast Date: 315 PM CDT Sat Oct 03 2026
The area/counties/county of: Iron, including the city of Iron River.or toggle through each period.
Late This Afternoon... Cloudy with a 50% chance of showers. South winds 10 to 15 mph.
Tonight... Cloudy. Rain showers in the evening, then a chance of rain showers after midnight. Near steady temperature in the upper 40s. South winds 10 to 15 mph, becoming west after midnight. Chance of rain 90%.
Sunday... Mostly cloudy in the morning, then clearing. Highs around 60. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night... Clear. Lows around 30. Northwest winds 5 to 10 mph.
Monday... Sunny. Highs around 58. Light northwest winds.
Monday Night... Mostly clear. Lows around 32. Light south winds with gusts up to 20 mph.
Tuesday... Warmer. Mostly clear. Highs around 69. Lows around 43.
Tuesday Night... Warmer. Mostly clear. Highs around 69. Lows around 43.
Wednesday... Clear. Highs around 67. Lows around 35.
Wednesday Night... Clear. Highs around 67. Lows around 35.
Thursday... Mostly clear. Highs around 63. Lows around 33.
Thursday Night... Mostly clear. Highs around 63. Lows around 33.
Friday... Partly cloudy. Highs around 64.
Friday Night... Mostly clear. Lows around 35. Highs around 69.
POP = Probability of Precipitation
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