10-Day Weather Forecast - Sullivan, IL

Mostly cloudy in the morning then becoming mostly sunny. A chance of sprinkles in the morning. A chance of flurries. Breezy and much cooler with highs in the mid 30s. Temperature falling into the mid 20s in the afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Mostly clear. Much cooler with lows around 15. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Sunny. Highs in the upper 20s. Northwest winds 5 to 10 mph becoming west in the afternoon.

Mostly cloudy with a 50 percent chance of snow. Light snow accumulation possible. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. Southwest winds 15 to 20 mph.

Mostly cloudy. Highs in the upper 30s. Lows 10 to 15. Wind chill values as low as zero.

Mostly cloudy. Highs in the upper 30s. Lows 10 to 15. Wind chill values as low as zero.

Mostly cloudy. Much cooler with highs around 20. Wind chill values as low as zero.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Partly cloudy. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

Mostly clear. Low temperature around 21F. Dew point will be around 12F with an average humidity of 68%. Winds will be 6 mph from the S.

Partly cloudy. High temperature around 33F. Dew point will be around 20F with an average humidity of 69%. Winds will be 8 mph from the S.

Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 28F. Dew point will be around 25F with an average humidity of 82%. Winds will be 3 mph from the S.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 35F. Dew point will be around 28F with an average humidity of 80%. Winds will be 4 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 34F. Dew point will be around 31F with an average humidity of 86%. Winds will be 4 mph from the SE.