10-Day Weather Forecast - Vandalia, IL

Sunny cooler with highs around 17. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the morning. Wind chill values as low as 13 below in the morning.

Mostly clear. Lows around 9 above. Southwest winds around 5 mph.

Mostly sunny. Not as cool with highs in the lower 30s. Southwest winds 5 to 10 mph. Wind chill values as low as 2 above in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the mid 20s. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. A slight chance of rain and snow in the morning. Not as cool with highs in the lower 40s. Chance of precipitation 20 percent.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 30s.

Mostly cloudy with a 30 percent chance of snow. Lows 10 to 15. Highs in the lower 20s. Wind chill values as low as zero.

Mostly cloudy with a 30 percent chance of snow. Lows 10 to 15. Highs in the lower 20s. Wind chill values as low as zero.

Mostly cloudy with a 40 percent chance of snow. Cold with lows zero to 5 above zero. Wind chill values as low as 10 below after midnight.

Partly sunny. A slight chance of snow in the morning. Highs 15 to 20. Chance of snow 20 percent. Wind chill values as low as 10 below in the morning.

Clear. Low temperature around 5F. Dew point will be around 1F with an average humidity of 72%. Winds will be 2 mph from the N.

Sunny. High temperature around 17F. Dew point will be around 4F with an average humidity of 66%. Winds will be 2 mph from the NW.

Clear. Low temperature around 8F. Dew point will be around 4F with an average humidity of 75%. Winds will be 1 mph from the N.

Mostly cloudy. High temperature around 21F. Dew point will be around 8F with an average humidity of 69%. Winds will be 1 mph from the N.

Mostly cloudy. Low temperature around 12F. Dew point will be around 10F with an average humidity of 76%. Winds will be 2 mph from the W.