10-Day Weather Forecast - Grafton, IL

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning then showers with a chance of thunderstorms in the afternoon. Windy and not as cool with highs in the mid 70s. South winds 20 to 30 mph with gusts up to 40 mph. Chance of rain 90 percent.

Partly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Breezy with lows in the upper 50s. Southwest winds 20 to 25 mph with gusts up to 35 mph becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 70 percent.

Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs around 80. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

A chance of thunderstorms. Showers. Lows in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Showers likely with a chance of thunderstorms in the morning then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Much cooler with highs in the lower 60s. Chance of rain 70 percent.

Mostly cloudy in the evening then clearing. Much cooler with lows in the upper 30s.

Sunny. Highs in the mid 50s.

Clear. Lows in the mid 30s.

Sunny. Highs in the lower 60s.

Partly cloudy in the evening then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent.

Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Mostly sunny. Highs in the mid 60s.

Partly cloudy. Low temperature around 56F. Dew point will be around 44F with an average humidity of 61%. Winds will be 7 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 67F. Dew point will be around 48F with an average humidity of 59%. Winds will be 6 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 42F with an average humidity of 66%. Winds will be 2 mph from the NW.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 60F. Dew point will be around 42F with an average humidity of 59%. Winds will be 1 mph from the N.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 40F with an average humidity of 67%. Winds will be 1 mph from the N.