10-Day Weather Forecast - Vandalia, IL
As of
- 81|69°F50% Chance of StormsHourly details
Today
81°FMostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
Tonight
69°FMostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
- 79|64°FMostly SunnyHourly details
Day
79°FMostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 80s. Northeast winds around 5 mph.
Night
64°FMostly clear. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
- 82|67°FSunnyHourly details
Day
82°FSunny. Highs in the mid 80s. Light and variable winds, becoming west around 5 mph in the afternoon.
Night
67°FMostly clear. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Weekend Weather
- 83|67°FSunnyHourly details
Day
83°FSunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Night
67°FMostly clear. Lows in the lower 60s.
- 81|62°FMostly SunnyHourly details
Day
81°FMostly sunny. Highs in the lower 80s.
Night
62°FPartly cloudy. A 20 percent chance of showers. Lows in the lower 60s.
- 79|61°FPartly CloudyHourly details
Day
79°FPartly cloudy. A 20 percent chance of showers. Highs in the lower 80s.
Night
61°FPartly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent.
- 82|65°FMostly Sunny
Day
82°FMostly sunny. Highs in the mid 80s.
Night
65°FClear. Low temperature around 65F. Dew point will be around 67F with an average humidity of 87%. Winds will be 2 mph from the N.
- 80|61°FSunny
Day
80°FSunny. High temperature around 80F. Dew point will be around 64F with an average humidity of 71%. Winds will be 3 mph from the N.
Night
61°FClear. Low temperature around 61F. Dew point will be around 64F with an average humidity of 92%. Winds will be 4 mph from the N.
- 77|58°FSunny
Day
77°FSunny. High temperature around 77F. Dew point will be around 61F with an average humidity of 72%. Winds will be 5 mph from the NE.
Night
58°FClear. Low temperature around 58F. Dew point will be around 62F with an average humidity of 93%. Winds will be 4 mph from the N.
- 76|59°FSunny
Day
76°FSunny. High temperature around 76F. Dew point will be around 59F with an average humidity of 70%. Winds will be 5 mph from the NE.
Night
59°FClear. Low temperature around 59F. Dew point will be around 61F with an average humidity of 91%. Winds will be 3 mph from the NE.













