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February 1st, 2026 :: 1:30 am CST   

Local Weather Report for
Altamont
Illinois, United States

 Altamont Weather Forecast Summary  
 
Today
Feb 1st
Monday
Feb 2nd
Tuesday
Feb 3rd
Wednesday
Feb 4th
Thursday
Feb 5th
Cloudy Cloudy Cloudy Sunny Cloudy
26°F
33°F
10°F
33°F
24°F
31°F
19°F
37°F
19°F
 
 Altamont Detailed Weather Forecast  
 
Sunday, February 1st, 2026
Overnight Temperature: 0°F
Clear with cloudy periods.
Morning Temperature: 19°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 17°F
Clear with cloudy periods.
Monday, February 2nd, 2026
Overnight Temperature: 11°F
A mix of cloudy and clear skies.
Morning Temperature: 28°F
Cloudy.
Afternoon Temperature: 30°F
Cloudy.
Evening Temperature: 28°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 29°F
Cloudy.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 25°F
Sunny.
Evening Temperature: 24°F
Cloudy with clear periods.
Wednesday, February 4th, 2026
Overnight Temperature: 20°F
Clear.
Morning Temperature: 27°F
Sunny.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 20°F
Clear.
Thursday, February 5th, 2026
Overnight Temperature: 20°F
Cloudy.
Morning Temperature: 31°F
Sunny with cloudy periods.
Afternoon Temperature: 31°F
Sunny.
Evening Temperature: 30°F
Mostly clear.
Friday, February 6th, 2026
Overnight Temperature: 32°F
Clear. Windy at times.
Morning Temperature: 41°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 32°F
Mostly sunny. Windy.
Evening Temperature: 24°F
Clear with cloudy periods. Windy.
Saturday, February 7th, 2026
Overnight Temperature: 19°F
Clear. Windy at times.
Morning Temperature: 23°F
Sunny.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 22°F
Cloudy.
Sunday, February 8th, 2026
Overnight Temperature: 22°F
Cloudy.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 32°F
Sunny.
Evening Temperature: 30°F
Clear.
Monday, February 9th, 2026
Overnight Temperature: 27°F
Cloudy.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Mostly cloudy.
Evening Temperature: 24°F
Cloudy with clear periods with a chance of flurries. Windy at times.





 

  [ Local Weather Report ]
West Alton, MO 
 
Portage Des Sioux, MO 
11:54 PM  7°F
 
 
Wood River, IL 
11:55 PM  7°F
 
 
Roxana, IL 
11:55 PM  7°F
 
 
Black Jack, MO 
11:51 PM  10°F
 
 
Alton, IL 
11:55 PM  7°F
 
 
Florissant, MO 
11:51 PM  10°F
 
 
St Charles, MO 
11:54 PM  7°F
 
 
Bellefontaine Neighbors, MO 
 
Calverton Park, MO 
11:51 PM  10°F
 

 
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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