10-Day Weather Forecast - Castleton, IL

Cloudy. Rain and thunderstorms in the morning. Much cooler with highs in the lower 50s. Temperature falling into the lower 40s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Partly cloudy in the evening then clearing. Cooler with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph becoming west 5 to 10 mph with gusts up to 20 mph after midnight.

Sunny in the morning then becoming partly sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph.

Mostly cloudy with a chance of rain. Breezy and not as cool with lows around 40. Chance of rain 30 percent.

Mostly sunny and breezy. Highs in the lower 50s.

Mostly cloudy. Lows in the lower 30s.

Cloudy. Highs in the mid 50s.

Cloudy. A chance of rain after midnight. Lows in the upper 30s. Chance of rain 50 percent.

Rain in the morning then rain and snow likely in the afternoon. Little or no snow accumulation. Breezy. Near steady temperature in the mid 40s. Chance of precipitation 80 percent.

Mostly cloudy. A chance of rain and snow in the evening. Brisk and much cooler with lows 10 to 15. Chance of precipitation 30 percent. Wind chill values as low as zero after midnight.

Mostly sunny. Much cooler with highs in the upper 20s. Wind chill values as low as 5 below in the morning.

Clear. Low temperature around 18F. Dew point will be around 6F with an average humidity of 54%. Winds will be 6 mph from the NW.

Partly cloudy. High temperature around 35F. Dew point will be around 13F with an average humidity of 50%. Winds will be 5 mph from the SW.

Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 26F. Dew point will be around 17F with an average humidity of 64%. Winds will be 4 mph from the S.

Cloudy. High temperature around 42F. Dew point will be around 24F with an average humidity of 58%. Winds will be 4 mph from the S.

Cloudy. Low temperature around 33F. Dew point will be around 27F with an average humidity of 73%. Winds will be 3 mph from the SE.

Partly cloudy. High temperature around 50F. Dew point will be around 34F with an average humidity of 66%. Winds will be 6 mph from the S.

Mostly cloudy. Low temperature around 39F. Dew point will be around 36F with an average humidity of 76%. Winds will be 3 mph from the SE.