10-Day Weather Forecast - Monticello, IL

Sunny. Highs in the upper 70s. Southeast winds 5 to 10 mph becoming southwest in the afternoon.

Mostly clear. Not as cool with lows in the mid 50s. South winds 10 to 15 mph.

Mostly sunny. Highs in the lower 80s. Southwest winds 15 to 20 mph becoming west in the afternoon.

Mostly cloudy in the evening then clearing. Much cooler with lows in the mid 30s.

Sunny. Much cooler with highs in the lower 50s.

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s.

Mostly sunny. Not as cool with highs in the lower 70s.

Mostly clear with a chance of rain. Chance of precipitation 50%. Low temperature around 40F. Dew point will be around 38F with an average humidity of 56%. Winds will be 11 mph from the N.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 47F. Dew point will be around 26F with an average humidity of 53%. Winds will be 9 mph from the N.

Cloudy. Low temperature around 30F. Dew point will be around 24F with an average humidity of 62%. Winds will be 9 mph from the NE.

Mostly cloudy. High temperature around 47F. Dew point will be around 24F with an average humidity of 52%. Winds will be 5 mph from the E.

Cloudy. Low temperature around 35F. Dew point will be around 29F with an average humidity of 65%. Winds will be 4 mph from the E.

Cloudy. High temperature around 52F. Dew point will be around 33F with an average humidity of 63%. Winds will be 4 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 41F. Dew point will be around 37F with an average humidity of 73%. Winds will be 4 mph from the E.