10-Day Weather Forecast - Port Byron, IL

Sunny in the morning then becoming partly sunny. Highs in the upper 40s. West winds 5 to 10 mph increasing to southwest 15 to 20 mph with gusts up to 35 mph in the afternoon.

Mostly cloudy with a chance of rain. A chance of snow after midnight. Windy and not as cool with lows in the upper 30s. Southwest winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 50 percent.

Mostly sunny and windy. Highs in the upper 40s. West winds 25 to 30 mph becoming northwest 15 to 25 mph in the afternoon. Gusts up to 45 mph.

Mostly cloudy. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph becoming north around 5 mph after midnight.

Cloudy. Highs in the mid 40s.

Cloudy. A chance of rain and snow in the evening then rain and snow likely after midnight. Little or no snow accumulation. Lows in the mid 30s. Chance of precipitation 60 percent.

Rain mainly in the morning. Breezy with highs in the upper 40s. Chance of rain 90 percent.

A chance of rain in the evening. Mostly cloudy with a chance of snow. Windy and much cooler with lows 10 to 15. Chance of precipitation 50 percent. Wind chill values as low as 5 below after midnight.

Partly sunny and breezy. Much cooler with highs in the mid 20s. Wind chill values as low as 5 below.

Mostly clear. Cold with lows 5 to 10 above. Wind chill values as low as 5 below.

Mostly sunny. Highs in the lower 30s. Wind chill values as low as 5 below in the morning.

Mostly cloudy. A chance of snow in the evening. Not as cool with lows in the lower 20s. Chance of snow 30 percent.

Mostly cloudy. Not as cool with highs in the mid 40s.

Mostly cloudy. Low temperature around 29F. Dew point will be around 28F with an average humidity of 86%. Winds will be 3 mph from the SE.

Mostly sunny. High temperature around 49F. Dew point will be around 35F with an average humidity of 78%. Winds will be 8 mph from the S.

Partly cloudy. Low temperature around 41F. Dew point will be around 40F with an average humidity of 84%. Winds will be 7 mph from the S.

Partly cloudy. High temperature around 58F. Dew point will be around 44F with an average humidity of 73%. Winds will be 6 mph from the SW.

Mostly clear. Low temperature around 42F. Dew point will be around 41F with an average humidity of 75%. Winds will be 3 mph from the N.