10-Day Weather Forecast - Sullivan, IL

Mostly sunny. Not as cool with highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph.

Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 50s. Southwest winds 15 to 20 mph.

Mostly cloudy. Lows in the mid 30s. West winds 10 to 15 mph.

Mostly cloudy. A chance of rain and snow in the afternoon. Cooler with highs around 40. Temperature falling into the lower 30s in the afternoon. Chance of precipitation 30 percent.

Mostly cloudy. Much cooler with lows around 15. Wind chill values as low as zero.

Mostly sunny. Cooler with highs in the upper 20s. Wind chill values as low as zero in the morning.

Mostly cloudy. Lows in the lower 20s. Highs in the upper 30s.

Mostly cloudy. Lows in the lower 20s. Highs in the upper 30s.

Mostly cloudy. Lows in the lower 20s. Highs in the upper 30s.

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

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

Mostly sunny. Highs in the mid 20s. Wind chill values as low as 5 below in the morning.

Mostly clear. Low temperature around 11F. Dew point will be around 2F with an average humidity of 66%. Winds will be 6 mph from the W.

Partly cloudy. High temperature around 20F. Dew point will be around 6F with an average humidity of 63%. Winds will be 7 mph from the W.

Clear. Low temperature around 14F. Dew point will be around 8F with an average humidity of 70%. Winds will be 3 mph from the W.

Sunny. High temperature around 24F. Dew point will be around 11F with an average humidity of 64%. Winds will be 3 mph from the SW.

Clear. Low temperature around 20F. Dew point will be around 15F with an average humidity of 76%. Winds will be 5 mph from the S.