10-Day Weather Forecast - Lanark, IL

Sunny. Highs in the upper 70s. West winds 5 to 10 mph.

Partly cloudy. Lows in the mid 50s. Northwest winds 5 to 10 mph becoming east after midnight.

Showers likely in the morning then showers in the afternoon. Highs in the lower 70s. East winds 10 to 15 mph. Chance of rain 80 percent.

Showers likely mainly in the evening. Lows in the mid 50s. Northeast winds 15 to 20 mph. Chance of rain 70 percent.

Partly sunny. Highs in the mid 70s.

Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

Partly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.

Mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 63F. Dew point will be around 61F with an average humidity of 82%. Winds will be 3 mph from the E.

Mostly cloudy with a 30% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 65F with an average humidity of 77%. Winds will be 2 mph from the S.

Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 82%. Winds will be 2 mph from the SE.

Mostly sunny with a 40% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 67F with an average humidity of 78%. Winds will be 5 mph from the S.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 67F with an average humidity of 82%. Winds will be 4 mph from the S.