10-Day Weather Forecast - Harrisburg, IL

Sunny. Highs in the lower 80s. East winds around 5 mph becoming southwest around 5 mph in the afternoon.

Mostly clear. Lows in the lower 60s. Southwest winds 5 to 10 mph.

Sunny. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then clearing. Much cooler with lows in the lower 40s.

Sunny. Much cooler with highs in the upper 50s.

Mostly clear in the evening then becoming mostly cloudy. Lows around 40.

Mostly cloudy. Highs in the lower 60s. Lows in the mid 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the mid 40s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 60s.

Mostly cloudy in the evening then clearing. Lows in the lower 50s.

Sunny. Highs in the upper 70s.

Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 50F. Dew point will be around 45F with an average humidity of 56%. Winds will be 8 mph from the NW.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 57F. Dew point will be around 34F with an average humidity of 48%. Winds will be 8 mph from the NE.

Cloudy. Low temperature around 37F. Dew point will be around 29F with an average humidity of 55%. Winds will be 8 mph from the NE.

Cloudy. High temperature around 53F. Dew point will be around 31F with an average humidity of 53%. Winds will be 7 mph from the NE.

Cloudy. Low temperature around 41F. Dew point will be around 34F with an average humidity of 61%. Winds will be 5 mph from the NE.

Cloudy. High temperature around 60F. Dew point will be around 38F with an average humidity of 58%. Winds will be 4 mph from the E.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 41F with an average humidity of 65%. Winds will be 3 mph from the E.