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May 31st, 2025 :: 1:56 pm CDT   

Local Weather Report for
Alton
Illinois, United States

 Current Alton Weather Conditions Updated May 31st at 12:50 pm 
Temperature:27°C Dew Point:10°C
Barometer:101.1 kPa Wind:N 55 Km/h
Humidity:34.4% Visibility:0 Km
 
 Alton Weather Forecast Summary  
 
Today
May 31st
Sunday
Jun 1st
Monday
Jun 2nd
Tuesday
Jun 3rd
Wednesday
Jun 4th
Mix of Cloud and Sun Mostly Sunny Cloudy Thundershowers Showers
25°C
25°C
13°C
27°C
14°C
30°C
18°C
23°C
18°C
 
 Alton Detailed Weather Forecast  
 
Saturday, May 31st, 2025
Afternoon Temperature: 24°C
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Sunday, June 1st, 2025
Overnight Temperature: 14°C
Clear with cloudy periods.
Morning Temperature: 21°C
Sunny.
Afternoon Temperature: 23°C
A mix of cloud and sun.
Evening Temperature: 16°C
Clear.
Monday, June 2nd, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 24°C
Sunny. Windy at times.
Afternoon Temperature: 26°C
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
Clear with cloudy periods. Windy at times.
Tuesday, June 3rd, 2025
Overnight Temperature: 18°C
Clear. Windy at times.
Morning Temperature: 26°C
Cloudy. Chance of a thunderstorm. Windy.
Afternoon Temperature: 28°C
A mix of cloud and sun with a chance of showers or thundershowers. Windy.
Evening Temperature: 23°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Wednesday, June 4th, 2025
Overnight Temperature: 20°C
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 21°C
Cloudy. Windy at times.
Afternoon Temperature: 22°C
Cloudy. Windy at times.
Evening Temperature: 18°C
Cloudy with a few showers.
Thursday, June 5th, 2025
Overnight Temperature: 18°C
Cloudy with showers likely.
Morning Temperature: 22°C
Cloudy with showers. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 23°C
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 17°C
Cloudy.
Friday, June 6th, 2025
Overnight Temperature: 17°C
Cloudy.
Morning Temperature: 23°C
A mix of sun and cloud.
Afternoon Temperature: 25°C
Sunny with cloudy periods.
Evening Temperature: 19°C
Cloudy with a slight chance of showers.
Saturday, June 7th, 2025
Overnight Temperature: 19°C
Cloudy with a few showers.
Morning Temperature: 22°C
Cloudy with a few showers. Chance of a thunderstorm.
Afternoon Temperature: 26°C
Sunny with cloudy periods with a chance of showers or thundershowers.
Evening Temperature: 22°C
A mix of clear and cloudy skies. Chance of a thunderstorm.
Sunday, June 8th, 2025
Overnight Temperature: 21°C
Cloudy with showers. Chance of a thunderstorm. Windy at times.
Morning Temperature: 23°C
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
A mix of cloudy and clear skies. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Roxana, IL 
12:50 PM  27°C
 
 
Wood River, IL 
12:50 PM  27°C
 
 
Edwardsville, IL 
12:50 PM  27°C
 
 
Altamont, IL 
12:50 PM  27°C
 
 
West Alton, MO 
12:50 PM  27°C
 
 
Troy, IL 
 
Granite City, IL 
12:53 PM  26°C
Mostly Sunny
 
Bellefontaine Neighbors, MO 
12:51 PM  28°C
Partly Sunny
 
Black Jack, MO 
12:51 PM  28°C
Partly Sunny
 
Moline Acres, MO 
12:51 PM  28°C
Partly Sunny

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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