10-Day Weather Forecast - Harrisburg, IL

Mostly sunny. Highs in the lower 60s. West winds 15 to 20 mph. Gusts up to 35 mph in the morning.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s. Northwest winds 5 to 10 mph becoming northeast after midnight.

Mostly sunny. Highs in the upper 60s. East winds 5 to 10 mph becoming southeast in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Not as cool with lows in the mid 50s. South winds 5 to 10 mph. Gusts up to 25 mph after midnight.

Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. Chance of rain 70 percent.

Rain showers with a chance of thunderstorms in the evening then a chance of rain and snow showers after midnight. Little or no snow accumulation. Breezy and much cooler with lows in the upper 20s. Chance of precipitation 90 percent.

Mostly cloudy in the morning then becoming partly sunny. Brisk and much cooler with highs in the mid 30s.

Mostly clear. Cold with lows around 15.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the mid 20s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 20s. Highs in the mid 50s.

Partly cloudy. Lows in the upper 30s. Highs in the mid 60s.

Partly cloudy. Lows in the upper 30s. Highs in the mid 60s.

Partly cloudy. Low temperature around 49F. Dew point will be around 46F with an average humidity of 76%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 62F. Dew point will be around 45F with an average humidity of 65%. Winds will be 4 mph from the NW.

Mostly clear. Low temperature around 47F. Dew point will be around 42F with an average humidity of 68%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 68F. Dew point will be around 46F with an average humidity of 60%. Winds will be 2 mph from the SW.

Clear. Low temperature around 49F. Dew point will be around 44F with an average humidity of 65%. Winds will be 1 mph from the NE.