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Union, MI Weather Forecast
Union, MI Weather Forecast Date: 558 AM EDT Mon Sep 07 2026
The area/counties/county of: Cass County Mi, including the cities of: Dowagiac, Cassopolis, Edwardsburg, and Marcellus.or toggle through each period.
Today... Mostly sunny. Highs around 80. East winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.
Tuesday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Tuesday Night... Partly cloudy. A slight chance of showers after midnight. Lows around 70. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20%.
Wednesday... Showers likely in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 60%.
Wednesday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 50%.
Thursday... Partly cloudy in the morning, then clearing. Highs in the upper 70s.
Thursday Night... Clear. Lows in the lower 50s.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Mostly clear. Lows in the upper 50s.
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Saturday Night... A slight chance of thunderstorms in the evening. Mostly clear with a slight chance of showers. Lows in the lower 60s. Chance of rain 20%.
POP = Probability of Precipitation
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