10-Day Weather Forecast - Olney, IL

Mostly sunny. Much cooler with highs in the mid 30s. West winds 15 to 20 mph.

Mostly clear. Lows in the upper 20s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Not as cool with highs in the lower 50s. Southwest winds 15 to 20 mph.

Partly cloudy. Lows in the upper 20s. Northwest winds around 5 mph.

Mostly sunny. Cooler with highs in the lower 40s. North winds around 5 mph.

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

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

Mostly cloudy with a 30 percent chance of rain. Not as cool with lows around 40. Temperature rising into the mid 40s after midnight.

Mostly cloudy. Highs in the upper 50s. Lows in the upper 40s.

Mostly cloudy. Highs in the upper 50s. Lows in the upper 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the mid 50s.

Mostly cloudy. Highs in the lower 60s. Lows in the mid 50s.

Partly sunny. Highs in the upper 60s.

Mostly cloudy. Low temperature around 54F. Dew point will be around 55F with an average humidity of 89%. Winds will be 11 mph from the SW.

Cloudy. High temperature around 60F. Dew point will be around 52F with an average humidity of 81%. Winds will be 6 mph from the SW.

Partly cloudy. Low temperature around 52F. Dew point will be around 50F with an average humidity of 87%. Winds will be 5 mph from the S.

Cloudy. High temperature around 58F. Dew point will be around 51F with an average humidity of 85%. Winds will be 2 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 47F with an average humidity of 86%. Winds will be 2 mph from the NE.