10-Day Weather Forecast - Sullivan, IL

Patchy freezing fog in the morning. Sunny. Not as cool with highs in the upper 20s. South winds 5 to 10 mph. Wind chill values as low as 6 below in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph.

Mostly cloudy. Highs in the lower 30s. Northwest winds around 5 mph.

Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Lows in the lower 20s. East winds around 5 mph. Chance of snow 30 percent.

Mostly cloudy. A chance of snow in the morning. Highs around 30. Chance of snow 50 percent.

Mostly cloudy. Cooler with lows around 10 above. Wind chill values as low as zero.

Mostly sunny. Highs in the mid 20s.

Mostly cloudy. Lows around 15. Highs in the mid 30s.

Mostly cloudy. Lows around 15. Highs in the mid 30s.

Mostly cloudy and not as cool. Near steady temperature around 30. Temperature rising into the lower 30s after midnight.

Mostly cloudy with a 50 percent chance of rain. Highs in the upper 30s.

Mostly cloudy. Lows 15 to 20. Highs in the upper 20s.

Mostly cloudy. Lows 15 to 20. Highs in the upper 20s.

Partly cloudy. Low temperature around 23F. Dew point will be around 19F with an average humidity of 82%. Winds will be 5 mph from the NW.

Sunny. High temperature around 28F. Dew point will be around 18F with an average humidity of 73%. Winds will be 4 mph from the W.

Clear. Low temperature around 23F. Dew point will be around 19F with an average humidity of 81%. Winds will be 4 mph from the NW.

Sunny. High temperature around 29F. Dew point will be around 20F with an average humidity of 74%. Winds will be 3 mph from the SW.

Clear with a slight chance of snow. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 24F with an average humidity of 83%. Winds will be 3 mph from the SW.