10-Day Weather Forecast - Sullivan, IL

Sunny. Highs in the lower 70s. West winds 5 to 10 mph.

Mostly clear. Lows in the mid 50s. Southwest winds 5 to 10 mph.

Sunny with a chance of showers in the morning then partly sunny with showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Southwest winds 10 to 15 mph diminishing to around 5 mph after midnight. Chance of rain 40 percent.

Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. Chance of rain 60 percent.

Showers with thunderstorms likely in the evening then a chance of showers after midnight. Locally heavy rainfall possible in the evening. Breezy and not as cool with lows in the mid 60s. Chance of rain near 100 percent.

Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.

Mostly clear. Lows in the upper 50s. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s. Highs in the upper 70s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.

Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 64F. Dew point will be around 62F with an average humidity of 83%. Winds will be 4 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 78F. Dew point will be around 64F with an average humidity of 72%. Winds will be 5 mph from the NE.

Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 62F. Dew point will be around 60F with an average humidity of 80%. Winds will be 5 mph from the E.

Sunny. High temperature around 80F. Dew point will be around 63F with an average humidity of 68%. Winds will be 4 mph from the E.

Clear. Low temperature around 64F. Dew point will be around 62F with an average humidity of 78%. Winds will be 3 mph from the E.