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July 12th, 2025 :: 4:23 am CDT   

Local Weather Report for
Alton
Illinois, United States

 Current Alton Weather Conditions Updated July 12th at 2:55 am 
Overcast
Temperature:20°C Dew Point:20°C
Barometer:101.3 kPa Wind:N 14 Km/h
Humidity:100.0% Visibility:0 Km
 
 Alton Weather Forecast Summary  
 
Today
Jul 12th
Sunday
Jul 13th
Monday
Jul 14th
Tuesday
Jul 15th
Wednesday
Jul 16th
Cloudy Thundershowers Thundershowers Thundershowers Thundershowers
29°C
27°C
20°C
29°C
20°C
30°C
22°C
30°C
22°C
 
 Alton Detailed Weather Forecast  
 
Saturday, July 12th, 2025
Morning Temperature: 26°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 29°C
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 22°C
Cloudy. Chance of a thunderstorm.
Sunday, July 13th, 2025
Overnight Temperature: 21°C
Cloudy with showers likely.
Morning Temperature: 27°C
Cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 24°C
A mix of cloud and sun with a few showers. Chance of a thunderstorm.
Evening Temperature: 21°C
Cloudy.
Monday, July 14th, 2025
Overnight Temperature: 20°C
A mix of cloudy and clear skies.
Morning Temperature: 26°C
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 28°C
Cloudy. Chance of a thunderstorm.
Evening Temperature: 23°C
Cloudy with showers likely. Chance of a thunderstorm.
Tuesday, July 15th, 2025
Overnight Temperature: 22°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 28°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 29°C
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Evening Temperature: 23°C
Clear with cloudy periods with a few showers. Slight chance of a thunderstorm.
Wednesday, July 16th, 2025
Overnight Temperature: 23°C
A mix of cloudy and clear skies with a slight chance of showers or thundershowers.
Morning Temperature: 28°C
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 28°C
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 23°C
Cloudy with showers. Slight chance of a thunderstorm.
Thursday, July 17th, 2025
Overnight Temperature: 22°C
Clear with a chance of showers.
Morning Temperature: 30°C
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 31°C
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 25°C
Clear. Chance of a thunderstorm.
Friday, July 18th, 2025
Overnight Temperature: 25°C
Clear. Chance of a thunderstorm.
Morning Temperature: 32°C
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 32°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 26°C
Clear. Chance of a thunderstorm. Windy at times.
Saturday, July 19th, 2025
Overnight Temperature: 24°C
Clear. Chance of a thunderstorm.
Morning Temperature: 31°C
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 31°C
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 26°C
Cloudy. Chance of a thunderstorm.
Sunday, July 20th, 2025
Overnight Temperature: 24°C
Cloudy. Chance of a thunderstorm.
Morning Temperature: 31°C
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 32°C
Cloudy. Chance of a thunderstorm.
Evening Temperature: 24°C
Clear with cloudy periods with showers likely. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Roxana, IL 
2:55 AM  20°C
Overcast
 
Wood River, IL 
2:55 AM  20°C
Overcast
 
Edwardsville, IL 
2:55 AM  20°C
Overcast
 
Altamont, IL 
2:55 AM  20°C
Overcast
 
West Alton, MO 
2:55 AM  20°C
Overcast
 
Troy, IL 
 
Granite City, IL 
2:53 AM  21°C
Partly Clear
 
Bellefontaine Neighbors, MO 
2:51 AM  21°C
Mostly Cloudy
 
Black Jack, MO 
2:51 AM  21°C
Mostly Cloudy
 
Moline Acres, MO 
2:51 AM  21°C
Mostly Cloudy

This WeatherCity Weather Forecast for Alton, 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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