10-Day Weather Forecast - Lanark, IL

Mostly cloudy and breezy. Not as cool with highs around 40. South winds 5 to 10 mph with gusts up to 20 mph increasing to 20 to 25 mph with gusts up to 35 mph this morning then becoming southwest 15 to 25 mph with gusts up to 35 mph this afternoon.

Mostly cloudy in the evening then clearing. Lows around 19. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the lower 30s. Northwest winds 10 to 15 mph.

Mostly cloudy with a 40 percent chance of snow. Light snow accumulation possible. Lows around 20. North winds around 5 mph becoming northeast after midnight.

Mostly sunny. Highs in the lower 40s. East winds around 5 mph becoming west in the afternoon.

Mostly clear. Lows in the mid 20s. Highs in the upper 50s.

Mostly clear. Lows in the mid 20s. Highs in the upper 50s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s.

Partly sunny. Much cooler with highs around 40.

Mostly cloudy in the evening then clearing. Cooler with lows 15 to 20.

Mostly sunny. A chance of snow in the afternoon. Highs in the lower 30s. Chance of snow 30 percent.

Mostly cloudy in the evening then becoming partly cloudy. A 40 percent chance of snow. Lows around 20.

Partly sunny with a 30 percent chance of snow. Highs in the mid 30s.

Cloudy. Low temperature around 22F. Dew point will be around 21F with an average humidity of 85%. Winds will be 1 mph from the E.

Cloudy. High temperature around 36F. Dew point will be around 27F with an average humidity of 83%. Winds will be 2 mph from the W.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 22F. Dew point will be around 22F with an average humidity of 82%. Winds will be 4 mph from the NW.

Sunny. High temperature around 34F. Dew point will be around 23F with an average humidity of 74%. Winds will be 2 mph from the N.

Mostly clear. Low temperature around 26F. Dew point will be around 21F with an average humidity of 77%. Winds will be 2 mph from the S.