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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: 1033 PM CST Mon Mar 02 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.
Overnight... Cloudy with patchy very light drizzle. Patchy fog. Rain with a slight chance of thunderstorms. Near steady temperature in the upper 30s. East winds around 5 mph. Chance of rain 90%.
Tuesday... Patchy fog in the morning. Rain with a chance of thunderstorms. Not as cool with highs in the upper 50s. East winds around 5 mph. Chance of rain near 100%.
Tuesday Night... A chance of thunderstorms. Rain. Not as cool with lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain near 100%.
Wednesday... A chance of thunderstorms. Rain. Highs in the mid 60s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of rain near 100%.
Wednesday Night... Rain. A chance of thunderstorms, mainly in the evening. Lows in the mid 50s. South winds 5 to 10 mph. Chance of rain 90%.
Thursday... Mostly cloudy with rain with a chance of thunderstorms in the morning, then mostly sunny with a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 80%.
Thursday Night... Mostly cloudy. A chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Chance of rain 50%.
Friday... Mostly cloudy. A chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Chance of rain 50%.
Friday Night... Mostly cloudy with a chance of thunderstorms. A chance of rain in the evening, then rain likely after midnight. Lows around 60. Chance of rain 70%.
Saturday... Cloudy with a slight chance of thunderstorms. Rain likely, mainly in the morning. Cooler with highs in the upper 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy with a 30% chance of rain. Cooler with lows in the upper 40s.
Sunday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50.
Sunday Night... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50.
POP = Probability of Precipitation
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