10-Day Weather Forecast - Lanark, IL

Partly sunny. Isolated showers and thunderstorms in the morning then scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

Partly cloudy in the evening then clearing. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph.

Sunny with highs in the mid 80s. Northeast winds 5 to 10 mph.

Mostly clear. Lows around 60. East winds around 5 mph in the evening becoming light and variable.

Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

Partly cloudy in the evening then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.

Partly sunny with a chance of showers in the morning then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.

Mostly cloudy in the evening then becoming partly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of rain 40 percent.

Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.

Clear. Low temperature around 64F. Dew point will be around 64F with an average humidity of 82%. Winds will be 2 mph from the NE.

Sunny. High temperature around 82F. Dew point will be around 66F with an average humidity of 76%. Winds will be 2 mph from the NW.

Clear. Low temperature around 62F. Dew point will be around 64F with an average humidity of 80%. Winds will be 1 mph from the W.

Sunny. High temperature around 81F. Dew point will be around 65F with an average humidity of 75%. Winds will be 2 mph from the W.

Clear. Low temperature around 63F. Dew point will be around 64F with an average humidity of 83%. Winds will be 1 mph from the S.