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February 25th, 2026 :: 12:10 pm CST   

Local Weather Report for
Eureka
Illinois, United States

 Eureka Weather Forecast Summary  
 
Today
Feb 25th
Thursday
Feb 26th
Friday
Feb 27th
Saturday
Feb 28th
Sunday
Mar 1st
Mix of rain and snow Cloudy Sunny Cloudy Mix of rain and snow
41°F
39°F
27°F
55°F
30°F
54°F
31°F
34°F
24°F
 
 Eureka Detailed Weather Forecast  
 
Wednesday, February 25th, 2026
Afternoon Temperature: 35°F
A mix of cloud and sun.
Evening Temperature: 32°F
Cloudy with flurries or showers likely.
Thursday, February 26th, 2026
Overnight Temperature: 27°F
Cloudy with a chance of flurries.
Morning Temperature: 34°F
Sunny with cloudy periods.
Afternoon Temperature: 35°F
Sunny.
Evening Temperature: 31°F
Clear.
Friday, February 27th, 2026
Overnight Temperature: 30°F
Clear.
Morning Temperature: 47°F
Sunny. Windy.
Afternoon Temperature: 50°F
Sunny. Windy.
Evening Temperature: 46°F
Clear. Windy.
Saturday, February 28th, 2026
Overnight Temperature: 39°F
A mix of cloudy and clear skies.
Morning Temperature: 48°F
Cloudy. Windy at times.
Afternoon Temperature: 45°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 33°F
Cloudy. Windy.
Sunday, March 1st, 2026
Overnight Temperature: 25°F
Cloudy. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy with a slight chance of flurries. Windy at times.
Evening Temperature: 25°F
Cloudy with flurries likely. Windy at times.
Monday, March 2nd, 2026
Overnight Temperature: 25°F
A mix of cloudy and clear skies with a chance of flurries. Windy at times.
Morning Temperature: 31°F
Cloudy with a slight chance of flurries or showers. Windy at times.
Afternoon Temperature: 32°F
Cloudy with flurries or freezing rain showers likely.
Evening Temperature: 32°F
Cloudy with a few flurries or showers. Windy at times.
Tuesday, March 3rd, 2026
Overnight Temperature: 33°F
Cloudy with a chance of flurries or showers.
Morning Temperature: 38°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 37°F
Cloudy.
Wednesday, March 4th, 2026
Overnight Temperature: 36°F
Cloudy.
Morning Temperature: 46°F
Cloudy.
Afternoon Temperature: 46°F
Cloudy.
Evening Temperature: 42°F
Cloudy.





 

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This WeatherCity Weather Forecast for Eureka, 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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