10-Day Weather Forecast - Sullivan, IL

Mostly cloudy. A chance of flurries this afternoon. Highs in the upper 20s. South winds 10 to 15 mph. Wind chill values as low as 2 below this morning.

Mostly cloudy and not as cool. Near steady temperature in the mid 20s. South winds 5 to 10 mph becoming west after midnight.

Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s. West winds 10 to 15 mph becoming northwest 15 to 20 mph in the afternoon.

Mostly cloudy in the evening then clearing. Lows around 14. North winds 10 to 15 mph with gusts up to 25 mph.

Sunny cooler with highs in the mid 20s. Northeast winds 5 to 10 mph becoming southeast in the afternoon.

Mostly cloudy. Near steady temperature in the lower 20s.

Partly cloudy. Highs in the lower 40s. Lows in the mid 20s.

Partly cloudy. Highs in the lower 40s. Lows in the mid 20s.

Mostly clear. Highs in the upper 40s. Lows in the mid 30s.

Mostly clear. Highs in the upper 40s. Lows in the mid 30s.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the mid 50s.

Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s.

Cloudy with a 40 percent chance of rain. Highs in the upper 40s.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 36F. Dew point will be around 35F with an average humidity of 83%. Winds will be 1 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 47F. Dew point will be around 33F with an average humidity of 69%. Winds will be 2 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 34F with an average humidity of 84%. Winds will be 1 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 47F. Dew point will be around 35F with an average humidity of 72%. Winds will be 1 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 36F. Dew point will be around 35F with an average humidity of 83%. Winds will be 1 mph from the N.