10-Day Weather Forecast - Machesney Park, IL

Partly cloudy. A chance of showers and thunderstorms early in the morning, then a slight chance of showers and thunderstorms late in the morning. Hot, humid with highs in the lower 90s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of precipitation 30 percent. Heat index values up to 105.

Partly cloudy in the evening, then becoming mostly clear. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. West winds around 5 mph. Chance of precipitation 50 percent.

Partly cloudy. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.

Partly cloudy. Highs in the lower 80s.

Partly cloudy. Lows around 60.

Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s.

Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent.

Mostly cloudy. Highs in the upper 80s.

Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the mid 60s.

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 64F with an average humidity of 86%. Winds will be 1 mph from the S.

Partly cloudy. High temperature around 81F. Dew point will be around 65F with an average humidity of 73%. Winds will be 1 mph from the E.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 63F with an average humidity of 86%. Winds will be 3 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 83F. Dew point will be around 66F with an average humidity of 70%. Winds will be 4 mph from the S.

Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 64F. Dew point will be around 64F with an average humidity of 85%. Winds will be 4 mph from the S.