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May 14th, 2025 :: 11:38 am CDT   

Local Weather Report for
Vandalia
Illinois, United States

 Vandalia Weather Forecast Summary  
 
Today
May 14th
Thursday
May 15th
Friday
May 16th
Saturday
May 17th
Sunday
May 18th
Mostly Sunny Cloudy Thundershowers Cloudy Cloudy
79°F
84°F
66°F
82°F
62°F
68°F
54°F
72°F
52°F
 
 Vandalia Detailed Weather Forecast  
 
Wednesday, May 14th, 2025
Afternoon Temperature: 76°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Evening Temperature: 69°F
Clear with cloudy periods with a chance of showers or thundershowers.
Thursday, May 15th, 2025
Overnight Temperature: 67°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 80°F
Cloudy. Chance of a thunderstorm. Windy.
Afternoon Temperature: 80°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Friday, May 16th, 2025
Overnight Temperature: 64°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 79°F
A mix of cloud and sun. Chance of a thunderstorm. Windy.
Afternoon Temperature: 79°F
Sunny with showers likely. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 66°F
Clear with a few showers. Chance of a thunderstorm. Windy.
Saturday, May 17th, 2025
Overnight Temperature: 56°F
Clear. Windy at times.
Morning Temperature: 64°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 67°F
Sunny with cloudy periods. Windy.
Evening Temperature: 55°F
Cloudy.
Sunday, May 18th, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 66°F
Cloudy.
Afternoon Temperature: 70°F
A mix of cloud and sun.
Evening Temperature: 55°F
Clear. Windy at times.
Monday, May 19th, 2025
Overnight Temperature: 48°F
Cloudy. Windy at times.
Morning Temperature: 56°F
Cloudy. Windy at times.
Afternoon Temperature: 63°F
Cloudy. Windy at times.
Evening Temperature: 54°F
A mix of cloudy and clear skies. Windy at times.
Tuesday, May 20th, 2025
Overnight Temperature: 52°F
Cloudy. Windy at times.
Morning Temperature: 59°F
Cloudy. Windy at times.
Afternoon Temperature: 64°F
Cloudy. Windy at times.
Evening Temperature: 59°F
Cloudy with a chance of showers. Windy at times.
Wednesday, May 21st, 2025
Overnight Temperature: 58°F
Cloudy with showers likely. Windy at times.
Morning Temperature: 70°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 73°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 59°F
Clear.
Thursday, May 22nd, 2025
Overnight Temperature: 57°F
Clear with a chance of showers.
Morning Temperature: 66°F
Sunny. Windy.
Afternoon Temperature: 65°F
Sunny. Windy.
Evening Temperature: 52°F
Clear.





 

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This WeatherCity Weather Forecast for Vandalia, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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