10-Day Weather Forecast - Olney, IL

Mostly sunny. Highs in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy. Lows around 40. West winds 5 to 10 mph with gusts up to 20 mph.

Mostly cloudy. Much cooler with highs around 40. Temperature falling into the lower 30s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy in the evening then clearing. Much cooler with lows around 16. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Sunny cooler with highs around 30.

Mostly cloudy. Lows in the lower 20s. Highs around 40.

Mostly cloudy. Lows in the lower 20s. Highs around 40.

Mostly cloudy. Lows in the lower 20s. Highs around 40.

Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as 5 below.

Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as 5 below.

Partly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 5 below.

Partly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 5 below.

Mostly sunny. Highs in the lower 30s.

Clear. Low temperature around 18F. Dew point will be around 12F with an average humidity of 67%. Winds will be 5 mph from the SW.

Sunny. High temperature around 31F. Dew point will be around 15F with an average humidity of 59%. Winds will be 3 mph from the SW.

Mostly clear. Low temperature around 24F. Dew point will be around 18F with an average humidity of 70%. Winds will be 5 mph from the S.

Partly cloudy. High temperature around 38F. Dew point will be around 25F with an average humidity of 68%. Winds will be 7 mph from the S.

Cloudy. Low temperature around 33F. Dew point will be around 29F with an average humidity of 81%. Winds will be 5 mph from the S.