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St. Martin of Tours School, IL 7-Day Night Weather Forecast
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St. Martin of Tours School, IL Weather Forecast
St. Martin of Tours School, IL Weather Forecast Date: 827 PM CDT Thu Aug 13 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.
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 108 early this evening.
Friday... Partly sunny in the morning, then clearing. Hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 114 in the afternoon.
Friday Night... Mostly clear. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph. Heat index values up to 113 early in the evening.
Saturday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 111.
Saturday Night... Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 110 early in the evening.
Sunday... Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110.
Sunday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 50%. Heat index values up to 110 early in the evening.
Monday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%.
Monday Night... Partly cloudy. Lows in the upper 60s.
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Tuesday Night... Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Wednesday... Mostly sunny. Highs in the lower 90s. Heat index values up to 100.
Wednesday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20%.
POP = Probability of Precipitation
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