10-Day Weather Forecast - Janesville, IL

Mostly sunny. Highs in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy. Lows in the upper 30s. West winds 5 to 10 mph with gusts up to 20 mph.

Mostly cloudy and breezy. Much cooler with highs in the upper 30s. Temperature falling into the upper 20s in the afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Mostly cloudy in the evening then clearing. Much cooler with lows around 15. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Sunny. Highs in the upper 20s.

Mostly cloudy. Lows around 20. Temperature rising into the mid 20s after midnight.

Mostly cloudy. A chance of snow in the afternoon. Not as cool with highs in the upper 30s. Chance of snow 30 percent.

Mostly cloudy. Lows 15 to 20. Highs in the mid 20s.

Mostly cloudy. Lows 15 to 20. Highs in the mid 20s.

Mostly cloudy. Cooler with lows 5 to 10 above. Wind chill values as low as 5 below after midnight.

Partly cloudy. Highs around 20. Lows around 10 above. Wind chill values as low as 10 below.

Partly cloudy. Highs around 20. Lows around 10 above. Wind chill values as low as 10 below.

Mostly sunny. Highs in the upper 20s. Wind chill values as low as zero in the morning.

Clear. Low temperature around 16F. Dew point will be around 10F with an average humidity of 68%. Winds will be 7 mph from the W.

Sunny. High temperature around 28F. Dew point will be around 13F with an average humidity of 61%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 22F. Dew point will be around 16F with an average humidity of 72%. Winds will be 6 mph from the S.

Mostly sunny. High temperature around 35F. Dew point will be around 22F with an average humidity of 68%. Winds will be 7 mph from the S.

Partly cloudy. Low temperature around 29F. Dew point will be around 26F with an average humidity of 80%. Winds will be 5 mph from the S.