10-Day Weather Forecast - Port Byron, IL

Cloudy with scattered snow showers. Little or no snow accumulation. Not as cool with highs in the mid 30s. Temperature falling to around 30 in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 50 percent.

Mostly cloudy with scattered snow showers in the evening then partly cloudy with scattered flurries after midnight. Cooler with lows around 13. Northwest winds around 15 mph with gusts up to 25 mph. Chance of snow 30 percent. Wind chill values as low as 3 below.

Partly sunny in the morning then becoming mostly cloudy. Much cooler with highs around 17. West winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 4 below.

Mostly cloudy in the evening then clearing. Cold with lows around 6 above. West winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 6 below after midnight.

Partly sunny. Highs in the lower 20s. Wind chill values as low as 5 below.

Partly cloudy. Lows zero to 5 above zero. Highs around 10 above. Wind chill values as low as 15 below.

Partly cloudy. Lows zero to 5 above zero. Highs around 10 above. Wind chill values as low as 15 below.

Mostly clear and cold. Near steady temperature around 10 above. Wind chill values as low as 5 below.

Mostly sunny. Not as cool with highs in the mid 20s. Wind chill values as low as 5 below in the morning.

Mostly cloudy. Lows around 20. Highs around 30.

Mostly cloudy. Lows around 20. Highs around 30.

Partly cloudy. Lows 10 to 15.

Partly sunny. Highs in the lower 30s.

Mostly cloudy. Low temperature around 20F. Dew point will be around 15F with an average humidity of 73%. Winds will be 5 mph from the E.

Cloudy with a chance of snow. Chance of precipitation 35%. High temperature around 27F. Dew point will be around 18F with an average humidity of 78%. Winds will be 4 mph from the E.

Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 21F. Dew point will be around 19F with an average humidity of 83%. Winds will be 4 mph from the NE.

Cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 26F. Dew point will be around 18F with an average humidity of 78%. Winds will be 4 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 17F. Dew point will be around 15F with an average humidity of 79%. Winds will be 4 mph from the N.