10-Day Weather Forecast - Castleton, IL

Mostly sunny and brisk cooler with highs around 11. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 23 below.

Mostly cloudy in the evening then clearing. Lows around 6 above. West winds 5 to 10 mph. Wind chill values as low as 7 below in the evening.

Mostly sunny. Not as cool with highs in the mid 20s. Southwest winds 5 to 10 mph. Wind chill values as low as 3 below in the morning.

Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Not as cool with lows around 20. Temperature rising into the upper 20s after midnight. South winds 5 to 10 mph with gusts up to 20 mph. Chance of snow 40 percent.

Mostly cloudy. Highs in the lower 30s. Lows 10 to 15. Wind chill values as low as zero.

Mostly cloudy. Highs in the lower 30s. Lows 10 to 15. Wind chill values as low as zero.

Mostly sunny. Highs in the mid 20s. Wind chill values as low as zero.

Mostly cloudy. Lows around 10 above. Highs in the lower 20s.

Mostly cloudy. Lows around 10 above. Highs in the lower 20s.

Mostly cloudy. Lows zero to 5 above zero. Highs around 10 above. Wind chill values as low as 15 below.

Mostly cloudy. Lows zero to 5 above zero. Highs around 10 above. Wind chill values as low as 15 below.

Mostly cloudy with a 30 percent chance of snow. Cold with lows 5 below to zero. Wind chill values as low as 20 below.

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

Partly cloudy. Low temperature around 6F. Dew point will be around -3F with an average humidity of 60%. Winds will be 4 mph from the NW.

Sunny. High temperature around 14F. Dew point will be around -1F with an average humidity of 56%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 8F. Dew point will be around 0F with an average humidity of 63%. Winds will be 2 mph from the NW.

Mostly sunny. High temperature around 19F. Dew point will be around 3F with an average humidity of 57%. Winds will be 3 mph from the W.

Cloudy. Low temperature around 13F. Dew point will be around 6F with an average humidity of 66%. Winds will be 3 mph from the W.