10-Day Weather Forecast - Harristown, IL

Mostly sunny and windy. Highs in the lower 50s. West winds 20 to 30 mph with gusts up to 45 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph becoming northeast around 5 mph after midnight.

Mostly cloudy. Highs in the mid 50s. East winds 10 to 15 mph.

Mostly cloudy. Not as cool with lows in the upper 40s.

Cloudy. A chance of rain in the morning then rain with a chance of thunderstorms in the afternoon. Windy and not as cool with highs in the mid 60s. Chance of rain 90 percent.

Rain and snow in the evening then snow likely after midnight. Light snow accumulation. Very windy and much cooler with lows around 20. Chance of precipitation 90 percent. Wind chill values as low as zero after midnight.

Mostly cloudy. A chance of snow in the morning. Windy and much cooler with highs in the mid 20s. Chance of snow 40 percent. Wind chill values as low as zero.

Partly cloudy and brisk. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as 5 below.

Partly cloudy and brisk. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as 5 below.

Mostly cloudy. A chance of snow after midnight. Not as cool with lows around 20. Chance of snow 40 percent.

Mostly cloudy in the morning then becoming partly sunny. Not as cool with highs in the mid 40s.

Partly cloudy. Low temperature around 32F. Dew point will be around 33F with an average humidity of 85%. Winds will be 5 mph from the SE.

Mostly sunny. High temperature around 55F. Dew point will be around 38F with an average humidity of 79%. Winds will be 6 mph from the S.

Partly cloudy. Low temperature around 43F. Dew point will be around 42F with an average humidity of 83%. Winds will be 6 mph from the S.

Partly cloudy. High temperature around 61F. Dew point will be around 46F with an average humidity of 75%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 45F. Dew point will be around 45F with an average humidity of 78%. Winds will be 2 mph from the SE.

Sunny. High temperature around 65F. Dew point will be around 47F with an average humidity of 70%. Winds will be 4 mph from the S.

Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 72%. Winds will be 5 mph from the S.