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Des Peres, MO Weather Forecast
Des Peres, MO Weather Forecast Date: 548 AM CDT Tue Sep 29 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.
Today... Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
Tonight... Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. South winds 5 to 10 mph.
Wednesday Night... Mostly cloudy. Lows around 70. South winds 5 to 10 mph.
Thursday... Mostly cloudy with a 50% chance of showers. Highs in the upper 80s. South winds 10 to 15 mph.
Thursday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70%.
Friday... Showers likely, mainly in the morning. Much cooler with highs in the mid 70s. Chance of rain 70%.
Friday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s. Highs around 70.
Saturday... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s. Highs around 70.
Saturday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Sunday... Partly sunny. Highs in the lower 70s.
Sunday Night... Mostly clear. Lows in the lower 50s. Highs around 70.
POP = Probability of Precipitation
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