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Sunrise:  7:18 am
Sunset:  4:51 pm
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Jan 31

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Jan 12

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Jan 19

First Quarter
Jan 26




January 1st, 2026 :: 8:38 pm CST   

Local Weather Report for
Altamont
Illinois, United States

 Altamont Weather Forecast Summary  
 
Today
Jan 1st
Friday
Jan 2nd
Saturday
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Cloudy Cloudy Cloudy Cloudy Cloudy
40°F
38°F
29°F
39°F
28°F
41°F
27°F
57°F
34°F
 
 Altamont Detailed Weather Forecast  
 
Thursday, January 1st, 2026
Evening Temperature: 32°F
Cloudy.
Friday, January 2nd, 2026
Overnight Temperature: 29°F
Cloudy.
Morning Temperature: 35°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 31°F
Cloudy.
Saturday, January 3rd, 2026
Overnight Temperature: 29°F
Cloudy.
Morning Temperature: 35°F
Cloudy.
Afternoon Temperature: 33°F
Sunny.
Evening Temperature: 30°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 28°F
Clear.
Morning Temperature: 36°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 36°F
Cloudy. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: 34°F
Clear. Windy at times.
Morning Temperature: 48°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 49°F
Cloudy. Windy at times.
Evening Temperature: 45°F
Cloudy. Windy at times.
Tuesday, January 6th, 2026
Overnight Temperature: 43°F
Cloudy. Windy at times.
Morning Temperature: 54°F
Cloudy. Windy at times.
Afternoon Temperature: 53°F
Cloudy.
Evening Temperature: 50°F
Cloudy.
Wednesday, January 7th, 2026
Overnight Temperature: 48°F
Cloudy.
Morning Temperature: 57°F
Cloudy.
Afternoon Temperature: 56°F
Cloudy.
Evening Temperature: 54°F
Cloudy.
Thursday, January 8th, 2026
Overnight Temperature: 52°F
Cloudy.
Morning Temperature: 59°F
Cloudy. Windy at times.
Afternoon Temperature: 59°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 60°F
Cloudy with a few showers. Windy.
Friday, January 9th, 2026
Overnight Temperature: 60°F
Clear with a chance of showers. Windy.
Morning Temperature: 64°F
Sunny. Windy.
Afternoon Temperature: 57°F
Cloudy.
Evening Temperature: 54°F
Cloudy.





 

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West Alton, MO 
 
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7:50 PM  34°F
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Roxana, IL 
7:50 PM  34°F
Overcast
 
Black Jack, MO 
7:51 PM  34°F
mist
 
Alton, IL 
7:50 PM  34°F
Overcast
 
Florissant, MO 
7:51 PM  34°F
mist
 
St Charles, MO 
 
Bellefontaine Neighbors, MO 
 
Calverton Park, MO 
7:51 PM  34°F
mist

 
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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