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City of Mascoutah, ILMascoutah, IL 7-Day Night Weather Forecast
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Mascoutah, IL Weather Forecast
Mascoutah, IL Weather Forecast Date: 127 AM CDT Thu Sep 24 2026
The area/counties/county of: Madison County Il, including the cities of: Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the upper 50s. Northeast winds around 5 mph.
Thursday... Mostly cloudy. Highs in the lower 70s. Northeast winds around 5 mph.
Thursday Night... Mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday... Partly sunny. Highs in the upper 70s. East winds around 5 mph.
Friday Night... Mostly cloudy. A slight chance of showers after midnight. Lows around 60. East winds around 5 mph. Chance of rain 20%.
Saturday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s. Lows in the upper 50s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s. Lows in the upper 50s.
Sunday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 50%.
Sunday Night... Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Monday... Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Tuesday... Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40%.
Tuesday Night... Showers likely with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70%.
POP = Probability of Precipitation
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