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August 27th, 2025 :: 9:45 pm CDT   

Local Weather Report for
Altamont
Illinois, United States

 Current Altamont Weather Conditions Updated August 27th at 8:50 pm 
Temperature:64°F Dew Point:57°F
Barometer:30.18 inHg Wind:N 9 Mph
Humidity:77.4% Visibility:0M
 
 Altamont Weather Forecast Summary  
 
Today
Aug 27th
Thursday
Aug 28th
Friday
Aug 29th
Saturday
Aug 30th
Sunday
Aug 31st
Cloudy Cloudy Cloudy Mix of Cloud and Sun Cloudy
76°F
82°F
58°F
78°F
58°F
81°F
58°F
77°F
60°F
 
 Altamont Detailed Weather Forecast  
 
Wednesday, August 27th, 2025
Evening Temperature: 61°F
Cloudy.
Thursday, August 28th, 2025
Overnight Temperature: 58°F
Cloudy.
Morning Temperature: 76°F
Sunny with cloudy periods.
Afternoon Temperature: 77°F
Sunny.
Evening Temperature: 64°F
Clear.
Friday, August 29th, 2025
Overnight Temperature: 58°F
Clear.
Morning Temperature: 74°F
Cloudy.
Afternoon Temperature: 76°F
Cloudy.
Evening Temperature: 64°F
Clear.
Saturday, August 30th, 2025
Overnight Temperature: 58°F
Clear with cloudy periods.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 77°F
A mix of cloud and sun.
Evening Temperature: 65°F
A mix of cloudy and clear skies. Windy at times.
Sunday, August 31st, 2025
Overnight Temperature: 61°F
A mix of cloudy and clear skies.
Morning Temperature: 73°F
Cloudy. Windy at times.
Afternoon Temperature: 74°F
Cloudy. Windy at times.
Evening Temperature: 68°F
Cloudy. Windy at times.
Monday, September 1st, 2025
Overnight Temperature: 64°F
A mix of cloudy and clear skies.
Morning Temperature: 72°F
Cloudy.
Afternoon Temperature: 74°F
Cloudy.
Evening Temperature: 68°F
Clear with cloudy periods. Windy at times.
Tuesday, September 2nd, 2025
Overnight Temperature: 61°F
Clear with a slight chance of showers.
Morning Temperature: 77°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 76°F
Mostly cloudy with a chance of showers or thundershowers.
Evening Temperature: 64°F
Cloudy with showers likely.
Wednesday, September 3rd, 2025
Overnight Temperature: 62°F
Clear with a chance of showers.
Morning Temperature: 77°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 81°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 71°F
Cloudy with a slight chance of showers.
Thursday, September 4th, 2025
Overnight Temperature: 66°F
Cloudy with a few showers.
Morning Temperature: 70°F
Cloudy with sunny periods with showers likely. Windy at times.
Afternoon Temperature: 71°F
Sunny. Windy at times.
Evening Temperature: 57°F
A mix of cloudy and clear skies. Windy at times.





 

  [ Local Weather Report ]
West Alton, MO 
8:50 PM  64°F
 
 
Portage Des Sioux, MO 
8:54 PM  64°F
 
 
Wood River, IL 
8:50 PM  64°F
 
 
Roxana, IL 
8:50 PM  64°F
 
 
Black Jack, MO 
8:51 PM  72°F
Mostly Cloudy
 
Alton, IL 
8:50 PM  64°F
 
 
Florissant, MO 
8:51 PM  72°F
Mostly Cloudy
 
St Charles, MO 
8:54 PM  64°F
 
 
Bellefontaine Neighbors, MO 
8:51 PM  72°F
Mostly Cloudy
 
Calverton Park, MO 
8:51 PM  72°F
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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