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January 21st, 2026 :: 7:23 am CST   

Local Weather Report for
Charleston
Illinois, United States

 Current Charleston Weather Conditions Updated January 21st at 5:53 am 
Temperature:30°F Dew Point:12°F
Barometer:30.04 inHg Wind:N 24 Mph
Humidity:45.8% Visibility:0M
 
 Charleston Weather Forecast Summary  
 
Today
Jan 21st
Thursday
Jan 22nd
Friday
Jan 23rd
Saturday
Jan 24th
Sunday
Jan 25th
Cloudy Cloudy Cloudy Cloudy Flurries
41°F
33°F
24°F
20°F
2°F
16°F
3°F
19°F
11°F
 
 Charleston Detailed Weather Forecast  
 
Wednesday, January 21st, 2026
Morning Temperature: 37°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 32°F
Sunny. Windy at times.
Evening Temperature: 33°F
Cloudy. Windy.
Thursday, January 22nd, 2026
Overnight Temperature: 25°F
Cloudy. Windy at times.
Morning Temperature: 29°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 27°F
Cloudy. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: 15°F
Cloudy. Windy.
Morning Temperature: 7°F
Cloudy. Windy.
Afternoon Temperature: 5°F
Cloudy. Windy at times.
Evening Temperature: 2°F
Cloudy. Windy at times.
Saturday, January 24th, 2026
Overnight Temperature: 3°F
Cloudy. Windy at times.
Morning Temperature: 11°F
Cloudy. Windy at times.
Afternoon Temperature: 15°F
Cloudy. Windy at times.
Evening Temperature: 15°F
Cloudy. Windy at times.
Sunday, January 25th, 2026
Overnight Temperature: 14°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 16°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 16°F
Cloudy.
Evening Temperature: 13°F
Cloudy.
Monday, January 26th, 2026
Overnight Temperature: 9°F
Cloudy. Windy at times.
Morning Temperature: 12°F
Cloudy. Windy.
Afternoon Temperature: 9°F
Sunny.
Evening Temperature: 6°F
Clear.
Tuesday, January 27th, 2026
Overnight Temperature: 5°F
Clear. Windy at times.
Morning Temperature: 18°F
Sunny. Windy.
Afternoon Temperature: 18°F
Sunny. Windy at times.
Evening Temperature: 14°F
Clear with cloudy periods. Windy at times.
Wednesday, January 28th, 2026
Overnight Temperature: 15°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 25°F
Cloudy. Windy at times.
Afternoon Temperature: 27°F
Cloudy. Windy at times.
Evening Temperature: 25°F
Cloudy. Windy at times.
Thursday, January 29th, 2026
Overnight Temperature: 25°F
Cloudy with a slight chance of flurries. Windy.
Morning Temperature: 20°F
Sunny. Windy.
Afternoon Temperature: 17°F
Sunny. Windy at times.
Evening Temperature: 13°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Mattoon, IL 
5:53 AM  30°F
 
 
Casey, IL 
 
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Sullivan, IL 
 
Marshall, IL 
 
Paris, IL 
5:55 AM  32°F
Overcast
 
Shelbyville, IL 
 
Effingham, IL 
5:55 AM  30°F
Overcast
 
Newton, IL 
 
Champaign, IL 
5:53 AM  30°F
Overcast

 
This WeatherCity Weather Forecast for Charleston, 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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