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


Dennison, IL Weather Forecast Date: 802 AM CST Mon Nov 02 2026
The area/counties/county of: Clark, including the city of Marshall.or toggle through each period.
Rest of Today... Cloudy. Patchy drizzle early this morning. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Mostly cloudy. Near steady temperature around 60. South winds 10 to 15 mph with gusts up to 30 mph.
Tuesday... Partly sunny in the morning, then mostly cloudy with a chance of rain in the afternoon. Not as cool with highs in the mid 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50%.
Tuesday Night... Rain. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%.
Wednesday... Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 50%.
Wednesday Night... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Thursday... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Thursday Night... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Friday... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Friday Night... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
Saturday... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
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