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Muir, MI Weather Forecast
Muir, MI Weather Forecast Date: 742 PM EDT Fri Sep 18 2026
The area/counties/county of: Ionia, including the city of Ionia.or toggle through each period.
Tonight... Mostly cloudy with a 50% chance of rain showers. Lows in the lower 50s. East winds 5 to 10 mph with gusts to around 20 mph.
Saturday... Rain showers and a chance of thunderstorms. Highs in the mid 60s. East winds 5 to 10 mph with gusts to around 25 mph. Chance of rain 90%.
Saturday Night... Rain showers and a chance of thunderstorms. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 80%.
Sunday... Rain showers likely in the morning, then a chance of rain showers in the afternoon. Highs in the upper 60s. Northeast winds 10 to 15 mph with gusts to around 25 mph. Chance of rain 60%.
Sunday Night... Partly cloudy with a 40% chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph with gusts to around 30 mph.
Monday... Mostly cloudy. Highs in the lower 60s.
Monday Night... Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s.
Tuesday... Partly sunny with a 20% chance of rain showers. Highs in the lower 60s.
Tuesday Night... Partly cloudy with a 30% chance of rain showers. Lows in the upper 40s.
Wednesday... Partly sunny with a 30% chance of rain showers. Highs in the lower 60s.
Wednesday Night... Partly cloudy. Lows in the upper 40s.
Thursday... Partly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
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