10-Day Weather Forecast - Mount Vernon, IL

Mostly sunny. Not as cool with highs in the mid 30s. South winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the upper 20s. South winds 10 to 15 mph with gusts up to 30 mph.

Partly sunny in the morning then clearing. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows 10 to 15. Highs in the lower 20s.

Mostly cloudy. Lows 10 to 15. Highs in the lower 20s.

Mostly cloudy with a 30 percent chance of snow showers. Cold. Lows zero to 5 above zero. Highs around 15. Wind chill readings as low as 5 below.

Mostly cloudy with a 30 percent chance of snow showers. Cold. Lows zero to 5 above zero. Highs around 15. Wind chill readings as low as 5 below.

Mostly cloudy with a 30 percent chance of snow showers. Cold. Lows zero to 5 above zero. Highs around 15. Wind chill readings as low as 5 below.

Mostly sunny. Highs in the lower 20s.

Clear. Low temperature around 9F. Dew point will be around 3F with an average humidity of 69%. Winds will be 3 mph from the NW.

Sunny. High temperature around 25F. Dew point will be around 8F with an average humidity of 64%. Winds will be 3 mph from the SW.

Clear. Low temperature around 15F. Dew point will be around 10F with an average humidity of 77%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 27F. Dew point will be around 15F with an average humidity of 72%. Winds will be 1 mph from the SE.

Cloudy. Low temperature around 17F. Dew point will be around 14F with an average humidity of 76%. Winds will be 2 mph from the N.

Mostly cloudy. High temperature around 26F. Dew point will be around 15F with an average humidity of 71%. Winds will be 4 mph from the NW.

Clear. Low temperature around 13F. Dew point will be around 10F with an average humidity of 77%. Winds will be 4 mph from the NW.