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Summum, IL Weather Forecast
Summum, IL Weather Forecast Date: 1227 AM CST Sun Nov 15 2026
The area/counties/county of: Fulton, including the city of Canton.or toggle through each period.
Rest of Tonight... Clear. Near steady temperature in the upper 20s. Light and variable winds.
Sunday... Mostly sunny. Highs in the lower 50s. Light and variable winds.
Sunday Night... Mostly clear. Lows in the upper 20s. Light and variable winds.
Monday... Sunny. Highs in the mid 50s. South winds around 5 mph.
Monday Night... Clear. Lows in the lower 30s. South winds around 5 mph.
Tuesday... Sunny. Highs in the upper 50s.
Tuesday Night... Mostly clear. Lows in the mid 30s.
Wednesday... Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Thursday... Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Friday... Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Friday Night... Partly cloudy. Lows around 50.
POP = Probability of Precipitation
Summum Radar Loop
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