10-Day Weather Forecast - Monticello, IL

Sunny cooler with highs in the upper 40s. West winds 10 to 15 mph.

Mostly cloudy and windy. Not as cool with lows around 40. South winds 20 to 30 mph.

Partly sunny and windy. Highs in the lower 50s. West winds 20 to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Cooler with lows around 30. Northwest winds 10 to 15 mph becoming north 5 to 10 mph after midnight.

Mostly cloudy. Highs around 50.

Cloudy. Not as cool with lows in the lower 40s.

Rain likely in the morning then rain in the afternoon. Windy and not as cool with highs in the lower 60s. Chance of rain 90 percent.

Mostly cloudy. A chance of rain and snow in the evening. Windy and much cooler with lows around 20. Chance of precipitation 50 percent.

Partly sunny and windy. Much cooler with highs in the upper 20s.

Partly cloudy. Lows around 10 above. Highs in the lower 30s. Wind chill values as low as zero.

Partly cloudy. Lows around 10 above. Highs in the lower 30s. Wind chill values as low as zero.

Mostly cloudy. Lows in the mid 20s. Highs in the upper 40s.

Mostly cloudy. Lows in the mid 20s. Highs in the upper 40s.

Partly cloudy. Low temperature around 32F. Dew point will be around 30F with an average humidity of 83%. Winds will be 2 mph from the SE.

Mostly sunny. High temperature around 52F. Dew point will be around 37F with an average humidity of 78%. Winds will be 7 mph from the S.

Partly cloudy. Low temperature around 44F. Dew point will be around 42F with an average humidity of 82%. Winds will be 7 mph from the S.

Partly cloudy. High temperature around 61F. Dew point will be around 48F with an average humidity of 79%. Winds will be 9 mph from the SW.

Mostly clear. Low temperature around 45F. Dew point will be around 45F with an average humidity of 78%. Winds will be 3 mph from the W.