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Alt School, MO 7-Day Night Weather Forecast
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Alt School, MO Weather Forecast
Alt School, MO Weather Forecast Date: 127 AM CDT Fri Sep 18 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 clear. Lows in the lower 70s. Northwest winds around 5 mph.
Friday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Northeast winds around 5 mph. Chance of rain 20%. Heat index values up to 107.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph. Gusts up to 20 mph in the evening. Chance of rain 20%. Heat index values up to 103 early in the evening.
Saturday... Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
Sunday... Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20%.
Sunday Night... Showers likely with a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 70%.
Monday... Showers likely with a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 70%.
Monday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 60. Chance of rain 40%.
Tuesday... Mostly cloudy. Highs in the lower 70s. Lows in the mid 50s.
Tuesday Night... Mostly cloudy. Highs in the lower 70s. Lows in the mid 50s.
Wednesday... Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
POP = Probability of Precipitation
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