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Matanzas Lake, IL 7-Day Night Weather Forecast
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Matanzas Lake, IL Weather Forecast
Matanzas Lake, IL Weather Forecast Date: 637 AM CDT Wed Aug 19 2026
The area/counties/county of: Mason, including the city of Havana.or toggle through each period.
Today... Mostly cloudy with a slight chance of showers this morning, then partly sunny with showers likely with a chance of thunderstorms this afternoon. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 70%.
Tonight... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 60%.
Thursday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Thursday Night... Mostly clear. Lows in the lower 60s. Light and variable winds.
Friday... Sunny. Highs in the lower 80s. Southwest winds around 5 mph.
Friday Night... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Saturday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Sunday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Monday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
POP = Probability of Precipitation
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