Dennison, IL Weather Forecast & Current Conditions

Night: Rain. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Cooler with highs in the mid 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. West winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Sunny. Highs in the upper 60s.

Night: Rain. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A chance of showers in the morning. Cooler with highs in the mid 60s. Temperature falling to around 60 in the afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. West winds around 5 mph.

Night: Mostly cloudy. Highs in the upper 50s. Lows in the mid 30s.

Night: Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

Day: Mostly sunny. Highs in the lower 60s.

Night: Mostly clear. Lows in the lower 30s. Highs in the lower 60s.

Night: Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

Night: Rain. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Partly sunny. A chance of showers in the morning. Cooler with highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.

Day: Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.

Day: Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.

Night: Mostly clear. Lows in the lower 30s. Highs in the mid 60s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Night: Rain. Lows in the mid 50s. South winds around 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Rain. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the mid 60s. Temperature falling to around 60 in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Night: Rain. Lows in the upper 50s. South winds around 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Mostly cloudy. A chance of showers in the morning. Cooler with highs in the mid 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. West winds around 5 mph.

Night: Mostly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Night: Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

Day: Mostly sunny. Highs around 60.

Night: Mostly clear. Lows in the lower 30s. Highs in the lower 60s.

Night: Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

Night: Rain. Lows in the mid 50s. South winds around 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A chance of showers in the morning. Cooler with highs in the mid 60s. Temperature falling to around 60 in the afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Rain. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Cooler with highs in the mid 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Night: Rain. Lows in the mid 50s. South winds around 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A chance of showers in the morning. Cooler with highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Night: Mostly cloudy. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Night: Mostly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Night: Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Rain. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Partly sunny. A chance of showers in the morning. Cooler with highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs around 60.

Night: Partly cloudy. Lows in the upper 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the upper 30s. Highs in the mid 50s.

Day: Mostly sunny. Highs in the lower 60s.

Night: Mostly clear. Lows in the mid 30s. Highs in the mid 60s.

Day: Mostly clear. Lows in the mid 30s. Highs in the mid 60s.

Day: Mostly clear. Lows in the mid 30s. Highs in the mid 60s.

Night: Rain. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Sunny. Highs in the upper 60s.

Night: Rain. Lows in the mid 50s. South winds around 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Sunny. Highs in the upper 60s.

Night: Rain. Near steady temperature around 60. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Partly sunny. A slight chance of showers in the morning. Cooler with highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs around 60.

Night: Partly cloudy. Lows in the upper 30s. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s. Highs in the upper 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Rain. Lows in the mid 50s. South winds 10 to 15 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Rain. Lows in the mid 50s. South winds 15 to 20 mph. Chance of rain near 100 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler. Near steady temperature around 60. Southwest winds 15 to 20 mph. Chance of rain 20 percent.

Night: Mostly cloudy. Cooler with lows in the mid 40s. Southwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Night: Mostly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Night: Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

Day: Mostly clear. Highs in the lower 60s. Lows in the lower 30s.

Night: Rain. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the mid 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Day: Mostly clear. Highs in the mid 60s. Lows in the mid 30s.

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

Night: Partly cloudy. Lows in the mid 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest winds around 5 mph.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s.

Day: Sunny. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s.

Night: Mostly clear. Highs around 60. Lows in the mid 30s.

Night: Clear. Highs in the lower 60s. Lows in the upper 30s.

Day: Sunny. Highs in the upper 60s.

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Night: Partly cloudy. Lows in the upper 40s. West winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 40s. West winds around 5 mph in the evening, becoming light and variable.

Day: Partly sunny. Highs around 60.

Night: Partly cloudy. Lows in the upper 30s.

Day: Sunny. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s.

Night: Mostly clear. Highs in the upper 50s. Lows in the mid 30s.

Night: Clear. Highs in the lower 60s. Lows in the upper 30s.

Day: Sunny. Highs in the upper 60s.

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Night: Partly cloudy. Lows in the upper 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 40s. West winds around 5 mph in the evening, becoming light and variable.

Day: Partly sunny. Highs around 60.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Night: Clear. Lows in the upper 30s.

Day: Mostly clear. Highs in the lower 60s. Lows in the mid 30s.

Day: Sunny. Highs in the upper 60s.

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Day: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 40s. Southwest winds around 5 mph.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West winds around 5 mph in the evening, becoming light and variable.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Mostly clear. Highs around 60. Lows in the mid 30s.

Night: Clear. Highs in the lower 60s. Lows in the upper 30s.

Day: Sunny. Highs in the upper 60s.