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September 19th, 2025 :: 9:52 am CDT   

Local Weather Report for
Altamont
Illinois, United States

 Current Altamont Weather Conditions Updated September 19th at 8:50 am 
Temperature:20°C Dew Point:18°C
Barometer:101.8 kPa Wind:calm
Humidity:88.3% Visibility:0 Km
 
 Altamont Weather Forecast Summary  
 
Today
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Tuesday
Sep 23rd
Cloudy Cloudy Cloudy Thundershowers Thundershowers
30°C
30°C
17°C
27°C
19°C
28°C
18°C
27°C
18°C
 
 Altamont Detailed Weather Forecast  
 
Friday, September 19th, 2025
Morning Temperature: 25°C
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 28°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 20°C
Clear with cloudy periods.
Saturday, September 20th, 2025
Overnight Temperature: 18°C
Clear with cloudy periods.
Morning Temperature: 28°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 19°C
Cloudy.
Sunday, September 21st, 2025
Overnight Temperature: 19°C
Cloudy with a chance of showers.
Morning Temperature: 24°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 26°C
Cloudy. Windy.
Evening Temperature: 20°C
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 18°C
Cloudy.
Morning Temperature: 26°C
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 25°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 20°C
Clear with cloudy periods with showers likely. Slight chance of a thunderstorm. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 18°C
Cloudy with showers likely.
Morning Temperature: 23°C
Cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 25°C
A mix of cloud and sun with a slight chance of showers or thundershowers.
Evening Temperature: 20°C
Clear with cloudy periods with a chance of showers.
Wednesday, September 24th, 2025
Overnight Temperature: 19°C
A mix of cloudy and clear skies.
Morning Temperature: 26°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 23°C
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 20°C
Cloudy with a few showers. Windy at times.
Thursday, September 25th, 2025
Overnight Temperature: 19°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 22°C
Cloudy with showers likely. Windy.
Afternoon Temperature: 22°C
Cloudy. Windy at times.
Evening Temperature: 15°C
Clear.
Friday, September 26th, 2025
Overnight Temperature: 14°C
Clear.
Morning Temperature: 22°C
Cloudy.
Afternoon Temperature: 22°C
Cloudy.
Evening Temperature: 16°C
Cloudy.
Saturday, September 27th, 2025
Overnight Temperature: 14°C
Cloudy.
Morning Temperature: 18°C
Cloudy.
Afternoon Temperature: 20°C
Cloudy.
Evening Temperature: 15°C
Clear with cloudy periods.





 

  [ Local Weather Report ]
West Alton, MO 
8:50 AM  20°C
 
 
Portage Des Sioux, MO 
8:54 AM  21°C
 
 
Wood River, IL 
8:50 AM  20°C
 
 
Roxana, IL 
8:50 AM  20°C
 
 
Black Jack, MO 
8:51 AM  22°C
Mostly Cloudy
 
Alton, IL 
8:50 AM  20°C
 
 
Florissant, MO 
8:51 AM  22°C
Mostly Cloudy
 
St Charles, MO 
8:54 AM  21°C
 
 
Bellefontaine Neighbors, MO 
8:51 AM  22°C
Mostly Cloudy
 
Calverton Park, MO 
8:51 AM  22°C
Mostly Cloudy

This WeatherCity Weather Forecast for Altamont, 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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