10-Day Weather Forecast - Illiopolis, IL

Partly sunny. Highs in the mid 50s. West winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy. Lows in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the morning then becoming partly sunny. Breezy and much cooler with highs in the mid 30s. Temperature falling into the upper 20s in the afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Partly cloudy in the evening then clearing. Much cooler with lows around 15. Northwest winds 15 to 20 mph.

Mostly sunny. Highs in the upper 20s.

Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. Temperature rising into the upper 20s after midnight.

Mostly cloudy. A chance of snow in the afternoon. Highs in the upper 30s. Chance of snow 40 percent.

Mostly cloudy. A chance of snow in the evening. Lows around 15. Chance of snow 30 percent.

Mostly cloudy. Highs in the lower 20s. Lows 5 to 10 above. Wind chill values as low as 10 below.

Mostly cloudy. Highs in the lower 20s. Lows 5 to 10 above. Wind chill values as low as 10 below.

Partly cloudy. Highs around 20. Lows around 10 above. Wind chill values as low as 10 below.

Partly cloudy. Highs around 20. Lows around 10 above. Wind chill values as low as 10 below.

Mostly sunny. Not as cool with highs around 30. Wind chill values as low as zero in the morning.

Clear. Low temperature around 16F. Dew point will be around 13F with an average humidity of 77%. Winds will be 5 mph from the W.

Sunny. High temperature around 28F. Dew point will be around 15F with an average humidity of 69%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 22F. Dew point will be around 19F with an average humidity of 80%. Winds will be 5 mph from the S.

Partly cloudy. High temperature around 35F. Dew point will be around 24F with an average humidity of 74%. Winds will be 6 mph from the S.

Partly cloudy. Low temperature around 28F. Dew point will be around 27F with an average humidity of 88%. Winds will be 4 mph from the SE.