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Mazon, IL 7-Day Night Weather Forecast
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Mazon, IL Weather Forecast
Mazon, IL Weather Forecast Date: 936 AM CDT Fri Sep 04 2026
The area/counties/county of: Grundy, including the cities of: Morris, Coal City, and Minooka.or toggle through each period.
Rest of Today... Partly cloudy late in the morning, then becoming mostly sunny. Hot. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. West winds around 5 mph. Chance of precipitation 20%.
Saturday... Mostly sunny. Humid with highs in the lower 90s. North winds 5 to 10 mph. Heat index values up to 104.
Saturday Night... Partly cloudy. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph.
Sunday... Partly cloudy. Highs in the mid 80s. East winds around 5 mph.
Sunday Night... Partly cloudy. Lows in the lower 60s.
Labor Day... Partly cloudy. Highs in the mid 80s.
Monday Night... Partly cloudy. Lows in the mid 60s.
Tuesday... Partly cloudy. Highs in the upper 80s.
Tuesday Night... Partly cloudy. Lows in the mid 70s.
Wednesday... Partly cloudy. Hot with highs in the lower 90s.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40%.
POP = Probability of Precipitation
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