10-Day Weather Forecast - Port Byron, IL

Mostly cloudy. Not as cool with highs in the mid 40s. South winds 5 to 10 mph with gusts up to 20 mph increasing to 15 to 20 mph with gusts up to 35 mph this morning then becoming southwest with gusts up to 35 mph this afternoon.

Mostly cloudy in the evening then clearing. Lows in the lower 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the upper 30s. Northwest winds 5 to 10 mph.

Mostly cloudy with a 50 percent chance of snow. Light snow accumulation possible. Lows in the lower 20s. Northeast winds around 5 mph.

Mostly sunny. Highs in the mid 40s. Northeast winds 5 to 10 mph becoming west in the afternoon.

Mostly clear. Lows in the upper 20s. Highs around 60.

Mostly clear. Lows in the upper 20s. Highs around 60.

Mostly clear in the evening then becoming partly cloudy. Lows around 30.

Partly sunny. Much cooler with highs in the mid 40s.

Partly cloudy. Cooler with lows around 20.

Mostly sunny. A chance of snow in the afternoon. Cooler with highs in the mid 30s. Chance of snow 30 percent.

Mostly cloudy with a 40 percent chance of snow. Lows around 20.

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

Cloudy. Low temperature around 22F. Dew point will be around 22F with an average humidity of 88%. Winds will be 1 mph from the E.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 35F. Dew point will be around 27F with an average humidity of 82%. Winds will be 2 mph from the W.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 22F. Dew point will be around 23F with an average humidity of 85%. Winds will be 4 mph from the NW.

Mostly sunny. High temperature around 34F. Dew point will be around 23F with an average humidity of 71%. Winds will be 2 mph from the N.

Mostly cloudy. Low temperature around 27F. Dew point will be around 22F with an average humidity of 78%. Winds will be 2 mph from the S.