Weather WorldCahokia, IL 7-Day Night Weather Forecast
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Cahokia, IL Weather Forecast
Cahokia, IL Weather Forecast Date: 948 PM CDT Sun Sep 20 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... Showers likely with a chance of thunderstorms. Lows in the upper 60s. North winds 5 to 10 mph. Gusts up to 25 mph this evening. Chance of rain 70%.
Monday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning. Patchy fog in the morning. Much cooler with highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 40%.
Monday Night... Mostly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Tuesday... Partly sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Wednesday... Mostly sunny. Highs in the mid 70s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.
Thursday... Mostly sunny. Highs in the mid 70s.
Thursday Night... Mostly cloudy. Lows in the mid 50s. Highs in the upper 70s.
Friday... Mostly cloudy. Lows in the mid 50s. Highs in the upper 70s.
Friday Night... Mostly cloudy with a 20% chance of showers. Lows in the upper 50s. Highs in the upper 70s.
Saturday... Mostly cloudy with a 20% chance of showers. Lows in the upper 50s. Highs in the upper 70s.
Saturday Night... Mostly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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