10-Day Weather Forecast - Cortland, IL

Mostly cloudy in the morning then clearing. Highs in the lower 40s. Southwest winds 10 to 15 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph increasing to 10 to 15 mph after midnight.

Mostly cloudy. A slight chance of rain in the morning then a chance of rain in the afternoon. Highs in the upper 40s. Southwest winds 10 to 15 mph increasing to west 15 to 20 mph in the afternoon. Chance of precipitation 30 percent.

Mostly cloudy. A slight chance of rain. A slight chance of snow after midnight. Lows in the upper 20s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

A slight chance of rain in the morning. Mostly cloudy with a chance of snow. Blustery with highs in the mid 30s. Temperature falling into the mid 20s in the afternoon. Chance of precipitation 50 percent.

Mostly cloudy with a slight chance of snow in the evening then partly cloudy after midnight. Blustery with lows 10 to 15. Chance of precipitation 20 percent.

Mostly sunny in the morning then partly cloudy with a slight chance of snow in the afternoon. Highs in the mid 20s. Chance of precipitation 20 percent.

Mostly cloudy with a 40 percent chance of snow. Near steady temperature in the lower 20s.

Mostly cloudy with a 50 percent chance of snow. Highs in the lower 30s.

Mostly cloudy. A chance of snow in the evening. Lows 15 to 20. Chance of precipitation 40 percent.

Mostly cloudy. Highs in the lower 20s.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 10 above.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 20s.

Cloudy. Low temperature around 6F. Dew point will be around 2F with an average humidity of 76%. Winds will be 7 mph from the W.

Cloudy. High temperature around 13F. Dew point will be around 3F with an average humidity of 70%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 9F. Dew point will be around 7F with an average humidity of 80%. Winds will be 3 mph from the W.

Sunny. High temperature around 18F. Dew point will be around 8F with an average humidity of 70%. Winds will be 2 mph from the SW.

Mostly clear. Low temperature around 16F. Dew point will be around 13F with an average humidity of 80%. Winds will be 4 mph from the S.