10-Day Weather Forecast - Sullivan, IL

Mostly sunny and brisk cooler with highs around 14. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 17 below.

Partly cloudy. Lows around 7 above. West winds 5 to 10 mph. Wind chill values as low as 5 below.

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

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the lower 20s. Temperature rising to around 30 after midnight. South winds 15 to 20 mph.

Partly cloudy. Highs around 40. Lows around 20.

Partly cloudy. Highs around 40. Lows around 20.

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

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

Partly sunny in the morning then becoming mostly cloudy. Highs around 30.

Mostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.

Mostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.

Mostly cloudy with a 40 percent chance of snow. Cold with lows around zero. Wind chill values as low as 15 below.

Partly sunny. Highs 10 to 15. Wind chill values as low as 15 below in the morning.

Clear. Low temperature around 3F. Dew point will be around -1F with an average humidity of 72%. Winds will be 2 mph from the NW.

Sunny. High temperature around 15F. Dew point will be around 2F with an average humidity of 66%. Winds will be 3 mph from the NW.

Clear. Low temperature around 6F. Dew point will be around 2F with an average humidity of 74%. Winds will be 1 mph from the NW.

Mostly sunny. High temperature around 18F. Dew point will be around 6F with an average humidity of 68%. Winds will be 2 mph from the W.

Mostly cloudy. Low temperature around 10F. Dew point will be around 7F with an average humidity of 77%. Winds will be 3 mph from the W.