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Rocky Lake, MI Weather Forecast
Rocky Lake, MI Weather Forecast Date: 1057 PM EDT Sun Aug 30 2026
The area/counties/county of: Montcalm, including the city of Greenville.or toggle through each period.
Rest of Tonight... Mostly cloudy. Lows in the upper 60s. Light winds.
Monday... Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the mid 80s. Southwest winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 50%.
Monday Night... Partly cloudy. A 20% chance of showers after midnight. Lows around 70. Southwest winds 5 to 15 mph. Gusts up to 30 mph Decreasing to 20 mph after midnight.
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the upper 80s. West winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 20%. Heat index readings 91 to 96.
Tuesday Night... Partly cloudy. A chance of showers in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts to around 20 mph in the evening becoming light. Chance of rain 40%.
Wednesday... Mostly sunny in the morning then becoming partly sunny. A 20% chance of showers and thunderstorms. Highs in the upper 80s.
Wednesday Night... Showers likely and a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60%.
Thursday... Mostly sunny with a 20% chance of showers and thunderstorms. Highs in the mid 80s.
Thursday Night... Partly cloudy with a 20% chance of showers and thunderstorms. Lows in the lower 60s.
Friday... Mostly sunny with a 20% chance of showers. Highs in the lower 80s.
Friday Night... Mostly clear. Lows around 60.
Saturday... Mostly sunny. Highs in the lower 80s.
Saturday Night... Partly cloudy with a 20% chance of rain showers. Lows in the upper 50s.
POP = Probability of Precipitation
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