10-Day Weather Forecast - Grand Detour, IL

Mostly cloudy. A slight chance of snow late in the morning. A chance of snow in the afternoon. Little or no snow accumulation. Near steady temperature around 16. West winds 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 50 percent.

Mostly cloudy. A slight chance of snow early in the evening. Lows around 7 above. West winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

Mostly cloudy. A chance of snow in the afternoon. Highs in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 40 percent.

Mostly cloudy in the evening then becoming partly cloudy. A slight chance of snow in the evening. Blustery with lows around 1 above. West winds 15 to 20 mph becoming northwest 15 to 25 mph after midnight. Chance of precipitation 20 percent. Wind chill values as low as 21 below after midnight.

Partly cloudy and blustery. Highs around 10 above. Wind chill values as low as 20 below.

Mostly clear. Lows around zero. Wind chill values as low as 15 below.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 20s. Wind chill values as low as 10 below in the morning.

Mostly cloudy. Lows around 15.

Mostly cloudy. Highs around 30.

Mostly cloudy. Lows around 10 above.

Mostly cloudy. Highs in the lower 20s.

Mostly cloudy. Lows around 10 above.

Mostly cloudy. Highs in the mid 20s.

Cloudy. Low temperature around 13F. Dew point will be around 12F with an average humidity of 81%. Winds will be 4 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 20F. Dew point will be around 11F with an average humidity of 77%. Winds will be 4 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 9F. Dew point will be around 8F with an average humidity of 81%. Winds will be 5 mph from the N.

Mostly sunny. High temperature around 15F. Dew point will be around 6F with an average humidity of 76%. Winds will be 4 mph from the N.

Mostly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 9F. Dew point will be around 6F with an average humidity of 81%. Winds will be 2 mph from the NW.