10-Day Weather Forecast - Union, IL

Partly cloudy. Patchy freezing fog early in the morning. Highs in the mid 30s. South winds 5 to 10 mph increasing to southwest 10 to 15 mph with gusts up to 25 mph in the afternoon.

Mostly cloudy. Lows in the upper 20s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Partly cloudy. Highs in the mid 30s. West winds 5 to 10 mph becoming southwest in the afternoon.

Mostly cloudy. A chance of rain after midnight. Blustery with lows in the upper 20s. Temperature rising into the upper 30s after midnight. South winds 10 to 15 mph increasing to 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 50 percent.

Mostly cloudy. Rain in the morning then a chance of rain and snow in the afternoon. Breezy with highs in the lower 40s. Temperature falling into the lower 30s in the afternoon. Chance of precipitation 90 percent.

Mostly cloudy. A slight chance of snow in the evening. Blustery with lows around 10 above. Chance of precipitation 20 percent.

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

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

Mostly cloudy. Highs in the upper 30s.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 20.

Partly cloudy. Highs in the lower 30s.

Mostly cloudy. Near steady temperature in the mid 20s.

Mostly cloudy. Highs in the mid 30s.

Partly cloudy. Low temperature around 29F. Dew point will be around 27F with an average humidity of 85%. Winds will be 3 mph from the S.

Cloudy. High temperature around 35F. Dew point will be around 28F with an average humidity of 82%. Winds will be 2 mph from the W.

Cloudy. Low temperature around 27F. Dew point will be around 26F with an average humidity of 84%. Winds will be 2 mph from the NW.

Partly cloudy. High temperature around 34F. Dew point will be around 24F with an average humidity of 73%. Winds will be 1 mph from the N.

Mostly cloudy. Low temperature around 30F. Dew point will be around 27F with an average humidity of 81%. Winds will be 2 mph from the SE.