10-Day Weather Forecast - Illiopolis, IL

Mostly cloudy with a chance of flurries and sprinkles in the morning then mostly sunny in the afternoon. Brisk and much cooler with highs in the mid 30s. Temperature falling into the upper 20s in the afternoon. North winds 15 to 25 mph with gusts up to 35 mph.

Mostly clear. Much cooler with lows around 15. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Sunny. Highs around 30. Northwest winds 5 to 10 mph becoming southwest in the afternoon.

Mostly cloudy. Snow likely mainly in the evening. Light snow accumulation possible. Lows in the mid 20s. Temperature rising into the lower 30s after midnight. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 70 percent.

Mostly cloudy. Highs around 40. Lows 10 to 15. Wind chill values as low as zero.

Mostly cloudy. Highs around 40. Lows 10 to 15. Wind chill values as low as zero.

Mostly cloudy in the morning then becoming partly sunny. Much cooler with highs around 20. Wind chill values as low as zero.

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

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

Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

Mostly clear. Low temperature around 21F. Dew point will be around 13F with an average humidity of 69%. Winds will be 6 mph from the S.

Mostly cloudy. High temperature around 33F. Dew point will be around 21F with an average humidity of 71%. Winds will be 7 mph from the S.

Partly cloudy. Low temperature around 26F. Dew point will be around 24F with an average humidity of 83%. Winds will be 2 mph from the S.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 34F. Dew point will be around 26F with an average humidity of 81%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 32F. Dew point will be around 29F with an average humidity of 87%. Winds will be 2 mph from the SE.