10-Day Weather Forecast - Summit, IL

Sunny cooler with highs in the lower 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 6 below in the morning.

Mostly clear. Lows around 12. Southwest winds around 5 mph.

Mostly sunny. Not as cool with highs in the upper 30s. Southwest winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the upper 20s. Temperature rising into the mid 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. Highs in the mid 40s. Lows in the lower 20s.

Partly cloudy. Highs in the mid 40s. Lows in the lower 20s.

Sunny cooler with highs in the mid 30s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s.

Mostly cloudy. A chance of snow and rain in the evening then a slight chance of snow after midnight. Lows 15 to 20. Chance of precipitation 30 percent. Wind chill values as low as 5 above after midnight.

Mostly cloudy. A slight chance of snow in the morning then a chance of snow in the afternoon. Cooler with highs in the mid 20s. Chance of snow 30 percent. Wind chill values as low as zero.

Mostly cloudy. A chance of snow mainly in the evening. Cooler with lows 5 to 10 above. Chance of snow 40 percent. Wind chill values as low as 5 below after midnight.

Mostly sunny. A slight chance of snow in the morning. Highs around 20. Chance of snow 20 percent. Wind chill values as low as 5 below in the morning.

Clear. Low temperature around 5F. Dew point will be around 1F with an average humidity of 72%. Winds will be 2 mph from the N.

Sunny. High temperature around 19F. Dew point will be around 6F with an average humidity of 67%. Winds will be 2 mph from the NW.

Mostly clear. Low temperature around 9F. Dew point will be around 5F with an average humidity of 74%. Winds will be 1 mph from the NE.

Partly cloudy. High temperature around 23F. Dew point will be around 10F with an average humidity of 71%. Winds will be 1 mph from the NW.

Mostly cloudy. Low temperature around 12F. Dew point will be around 10F with an average humidity of 76%. Winds will be 2 mph from the W.