10-Day Weather Forecast - Lanark, IL

Partly sunny. Warmer with highs in the mid 60s. West winds 5 to 10 mph with gusts up to 20 mph becoming north in the afternoon.

Mostly cloudy. Lows in the upper 30s. Northeast winds around 5 mph becoming east around 5 mph after midnight.

Mostly sunny. Highs in the upper 60s. South winds 5 to 10 mph.

Partly cloudy. Not as cool with lows around 50. South winds 5 to 10 mph.

Mostly cloudy. Highs in the mid 60s.

Mostly cloudy in the evening then clearing. Much cooler with lows in the upper 20s.

Sunny. Much cooler with highs in the upper 40s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the lower 40s.

Partly sunny in the morning then mostly cloudy with a chance of rain in the afternoon. Highs around 60. Chance of rain 30 percent.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 32F. Dew point will be around 29F with an average humidity of 59%. Winds will be 9 mph from the NW.

Sunny. High temperature around 41F. Dew point will be around 21F with an average humidity of 52%. Winds will be 9 mph from the N.

Clear. Low temperature around 28F. Dew point will be around 19F with an average humidity of 55%. Winds will be 2 mph from the N.

Sunny. High temperature around 44F. Dew point will be around 22F with an average humidity of 53%. Winds will be 4 mph from the S.

Partly cloudy. Low temperature around 32F. Dew point will be around 25F with an average humidity of 61%. Winds will be 3 mph from the S.