10-Day Weather Forecast - Chestnut Mountain Resort, IL

Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Not as cool with highs in the mid 30s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then becoming partly cloudy. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph becoming west after midnight.

Mostly sunny. Highs in the mid 30s. West winds around 5 mph becoming south with gusts up to 20 mph in the afternoon.

Mostly cloudy. Rain likely after midnight. Lows in the lower 30s. Temperature rising into the upper 30s after midnight. Chance of rain 70 percent.

A chance of rain in the morning. Partly sunny. Highs in the upper 30s. Temperature falling into the mid 20s in the afternoon. Chance of rain 50 percent.

Mostly cloudy in the evening then becoming partly cloudy. Much colder with lows zero to 5 above zero. Wind chill values as low as 5 below after midnight.

Mostly cloudy. Highs in the upper 20s. Lows around 20. Wind chill values as low as 5 below.

Mostly cloudy. Highs in the upper 20s. Lows around 20. Wind chill values as low as 5 below.

Mostly cloudy. Highs in the upper 30s. Lows 15 to 20.

Mostly cloudy. Highs in the upper 30s. Lows 15 to 20.

Mostly sunny. Highs around 30.

Partly cloudy. Low temperature around 23F. Dew point will be around 19F with an average humidity of 77%. Winds will be 3 mph from the SE.

Mostly cloudy. High temperature around 35F. Dew point will be around 23F with an average humidity of 74%. Winds will be 4 mph from the S.

Mostly cloudy. Low temperature around 28F. Dew point will be around 25F with an average humidity of 84%. Winds will be 3 mph from the E.

Cloudy. High temperature around 35F. Dew point will be around 26F with an average humidity of 79%. Winds will be 1 mph from the N.

Mostly cloudy. Low temperature around 25F. Dew point will be around 23F with an average humidity of 81%. Winds will be 3 mph from the N.

Partly cloudy. High temperature around 33F. Dew point will be around 22F with an average humidity of 71%. Winds will be 2 mph from the E.

Partly cloudy. Low temperature around 29F. Dew point will be around 24F with an average humidity of 77%. Winds will be 4 mph from the E.