Summum, IL 7-Day Night Weather Forecast
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Summum, IL Weather Forecast


Summum, IL Weather Forecast Date: 1227 PM CDT Sun Sep 13 2026
The area/counties/county of: Fulton, including the city of Canton.or toggle through each period.
This Afternoon... Partly sunny with isolated showers. Cooler with highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20%.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Monday... Partly sunny with a 20% chance of showers. Highs in the upper 70s. Southeast winds 10 to 15 mph.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows around 70. South winds 10 to 15 mph with gusts up to 30 mph.
Tuesday... Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 25 mph, becoming west in the afternoon. Chance of rain 70%.
Tuesday Night... Showers with a chance of thunderstorms. Lows in the lower 60s. Highs around 80. Chance of rain 90%.
Wednesday... Showers with a chance of thunderstorms. Lows in the lower 60s. Highs around 80. Chance of rain 90%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50%.
Thursday... A chance of showers in the morning. Partly sunny. Highs in the lower 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 50%.
Friday... Partly sunny with a chance of showers. Highs around 80. Chance of rain 50%.
Friday Night... Mostly cloudy. A 50% chance of showers. Lows in the lower 60s. Highs in the mid 70s.
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