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February 17th, 2026 :: 2:39 am CST   

Local Weather Report for
Carthage
Illinois, United States

 Carthage Weather Forecast Summary  
 
Today
Feb 17th
Wednesday
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Cloudy Cloudy Cloudy Mostly Sunny Cloudy
60°F
66°F
51°F
68°F
43°F
40°F
29°F
34°F
26°F
 
 Carthage Detailed Weather Forecast  
 
Tuesday, February 17th, 2026
Overnight Temperature: 48°F
Cloudy.
Morning Temperature: 55°F
Cloudy. Windy.
Afternoon Temperature: 57°F
Cloudy. Windy.
Evening Temperature: 59°F
Cloudy with a slight chance of showers. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 55°F
Clear with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 61°F
Sunny. Windy.
Afternoon Temperature: 57°F
Cloudy.
Evening Temperature: 53°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 47°F
Cloudy.
Morning Temperature: 59°F
Cloudy. Windy at times.
Afternoon Temperature: 60°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 48°F
Mostly clear. Windy.
Friday, February 20th, 2026
Overnight Temperature: 34°F
A mix of cloudy and clear skies. Windy.
Morning Temperature: 35°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 36°F
Sunny. Windy at times.
Evening Temperature: 31°F
Clear.
Saturday, February 21st, 2026
Overnight Temperature: 26°F
Cloudy.
Morning Temperature: 32°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy at times.
Afternoon Temperature: 32°F
Cloudy. Windy at times.
Evening Temperature: 28°F
Cloudy. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 22°F
Clear. Windy.
Morning Temperature: 25°F
Cloudy. Windy.
Afternoon Temperature: 22°F
A mix of cloud and sun. Windy.
Evening Temperature: 18°F
Clear. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 16°F
Clear. Windy at times.
Morning Temperature: 25°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°F
Sunny.
Evening Temperature: 23°F
Clear.
Tuesday, February 24th, 2026
Overnight Temperature: 22°F
Cloudy.
Morning Temperature: 38°F
Cloudy. Windy.
Afternoon Temperature: 41°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Cloudy. Windy.
Wednesday, February 25th, 2026
Overnight Temperature: 38°F
Cloudy. Windy.
Morning Temperature: 46°F
Cloudy. Windy at times.
Afternoon Temperature: 43°F
Cloudy. Windy at times.
Evening Temperature: 37°F
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for Carthage, 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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