10-Day Weather Forecast - Vandalia, IL

Mostly sunny. Highs in the upper 70s. South winds around 5 mph.

Mostly cloudy. Lows in the upper 40s. Light and variable winds.

Partly sunny. Highs in the upper 70s. Light and variable winds.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows around 50.

Mostly clear. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s.

Mostly clear. Highs in the upper 70s.

Partly cloudy. Lows in the upper 40s.

Partly cloudy. Highs in the mid 70s.

Cloudy. Low temperature around 55F. Dew point will be around 50F with an average humidity of 78%. Winds will be 5 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 73F. Dew point will be around 60F with an average humidity of 73%. Winds will be 7 mph from the SSE.

Cloudy with a 41% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 61F with an average humidity of 91%. Winds will be 10 mph from the SSE.

Mostly cloudy with a 30% chance for rain and thunderstorms. High temperature around 69F. Dew point will be around 65F with an average humidity of 90%. Winds will be 11 mph from the S.

Mostly cloudy with a 25% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 65F with an average humidity of 96%. Winds will be 7 mph from the SSW.

Cloudy with a 30% chance for rain and thunderstorms. High temperature around 71F. Dew point will be around 70F with an average humidity of 97%. Winds will be 13 mph from the S.

Partly cloudy with a 25% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 66F with an average humidity of 90%. Winds will be 13 mph from the SW.