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Smithton, IL Weather Forecast
Smithton, IL Weather Forecast Date: 627 AM CST Wed Nov 11 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... Mostly sunny. Highs in the upper 60s. Temperature falling into the mid 60s this afternoon. Southwest winds 10 to 15 mph, becoming west 15 to 20 mph this afternoon.
Tonight... Partly cloudy. Lows in the lower 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Thursday... Partly sunny with scattered sprinkles in the morning, then mostly cloudy with scattered showers in the afternoon. Much cooler with highs in the upper 40s. Northwest winds 15 to 20 mph. Chance of rain 20%.
Thursday Night... Partly cloudy in the evening, then clearing. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph.
Friday... Mostly sunny. Highs in the mid 40s. Northwest winds 10 to 15 mph.
Friday Night... Mostly clear. Lows in the mid 20s. Highs in the upper 40s.
Saturday... Mostly clear. Lows in the mid 20s. Highs in the upper 40s.
Sunday... Partly cloudy. Highs in the lower 50s. Lows in the upper 20s.
Monday... Partly cloudy. Highs in the lower 50s. Lows in the upper 20s.
Monday Night... Mostly clear. Lows in the upper 20s. Highs in the mid 50s.
POP = Probability of Precipitation
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