10-Day Weather Forecast - Rock Falls, IL

Mostly sunny. Much cooler with highs in the lower 20s. Northwest winds around 5 mph becoming west in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 14. Light and variable winds becoming northwest around 5 mph after midnight.

Mostly sunny. Highs in the upper 20s. North winds around 5 mph.

Mostly cloudy. Lows around 17. Northeast winds around 5 mph.

Partly sunny. Highs around 30.

Partly cloudy in the evening then clearing. Lows 10 to 15.

Mostly cloudy. Highs around 30. Lows in the upper 20s.

Mostly cloudy. Highs around 30. Lows in the upper 20s.

Mostly sunny. Not as cool with highs in the lower 40s.

Mostly cloudy. Lows around 30. Highs in the lower 40s.

Mostly cloudy. Lows around 30. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Partly cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 81%. Winds will be 1 mph from the W.

Partly cloudy. High temperature around 37F. Dew point will be around 27F with an average humidity of 73%. Winds will be 1 mph from the N.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 28F. Dew point will be around 23F with an average humidity of 77%. Winds will be 2 mph from the NE.

Mostly cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 37F. Dew point will be around 26F with an average humidity of 72%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 31F. Dew point will be around 28F with an average humidity of 81%. Winds will be 2 mph from the SE.