Weather WorldMcDonough Lake, IL 7-Day Night Weather Forecast
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McDonough Lake, IL Weather Forecast
McDonough Lake, IL Weather Forecast Date: 1203 PM CDT Thu Oct 01 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.
This Afternoon... Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%.
Tonight... Showers with a chance of thunderstorms. Cooler with lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100%.
Friday... Mostly cloudy. A chance of showers in the morning. Much cooler with highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Cooler with lows around 50. Northeast winds 5 to 10 mph.
Saturday... Sunny. Highs in the lower 70s. Northeast winds around 5 mph.
Saturday Night... Partly cloudy. Lows in the lower 50s.
Sunday... Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
Sunday Night... Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
Monday... Clear. Highs in the lower 70s. Lows in the upper 40s.
Monday Night... Clear. Highs in the lower 70s. Lows in the upper 40s.
Tuesday... Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
Tuesday Night... Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
POP = Probability of Precipitation
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