10-Day Weather Forecast - Castleton, IL

Mostly sunny. Patchy blowing snow. Not as cool with highs in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 13 below in the morning.

Partly cloudy. Not as cool with lows around 16. Southwest winds around 5 mph.

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

Mostly cloudy. Not as cool with lows in the upper 20s.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. A chance of rain after midnight. Lows in the lower 30s. Temperature rising into the lower 40s after midnight. Chance of rain 50 percent.

Mostly cloudy with a chance of rain in the morning then mostly sunny in the afternoon. Breezy with highs in the upper 40s. Temperature falling into the mid 30s in the afternoon. Chance of rain 40 percent.

Partly cloudy. Lows 10 to 15. Highs in the lower 30s.

Partly cloudy. Lows 10 to 15. Highs in the lower 30s.

Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Mostly cloudy. Low temperature around 23F. Dew point will be around 26F with an average humidity of 80%. Winds will be 7 mph from the N.

Mostly sunny. High temperature around 34F. Dew point will be around 16F with an average humidity of 57%. Winds will be 4 mph from the N.

Mostly clear. Low temperature around 26F. Dew point will be around 18F with an average humidity of 69%. Winds will be 4 mph from the SE.

Mostly cloudy. High temperature around 40F. Dew point will be around 26F with an average humidity of 66%. Winds will be 9 mph from the S.

Cloudy. Low temperature around 34F. Dew point will be around 31F with an average humidity of 80%. Winds will be 6 mph from the S.

Cloudy. High temperature around 44F. Dew point will be around 33F with an average humidity of 76%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 32F. Dew point will be around 29F with an average humidity of 77%. Winds will be 1 mph from the NE.