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February 18th, 2026 :: 12:41 am CST   

Local Weather Report for
Savanna
Illinois, United States

 Current Savanna Weather Conditions Updated February 17th at 11:55 pm 
Overcast
Temperature:52°F Dew Point:48°F
Barometer:29.5 inHg Wind:N 21 Mph
Humidity:87.5% Visibility:0M
 
 Savanna Weather Forecast Summary  
 
Today
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Cloudy Cloudy Cloudy Cloudy Cloudy
62°F
59°F
39°F
37°F
27°F
32°F
23°F
22°F
17°F
 
 Savanna Detailed Weather Forecast  
 
Wednesday, February 18th, 2026
Overnight Temperature: 54°F
Clear with a chance of showers. Slight chance of a thunderstorm. Windy.
Morning Temperature: 58°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 55°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 48°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 41°F
Clear with cloudy periods.
Morning Temperature: 51°F
Cloudy. Windy at times.
Afternoon Temperature: 52°F
Cloudy with sunny periods with a chance of showers.
Evening Temperature: 44°F
Cloudy with a chance of showers. Windy.
Friday, February 20th, 2026
Overnight Temperature: 35°F
Cloudy. Windy.
Morning Temperature: 34°F
Cloudy. Windy.
Afternoon Temperature: 33°F
Sunny. Windy at times.
Evening Temperature: 28°F
Clear. Windy at times.
Saturday, February 21st, 2026
Overnight Temperature: 25°F
Clear. Windy at times.
Morning Temperature: 29°F
Cloudy. Windy at times.
Afternoon Temperature: 29°F
Cloudy. Windy at times.
Evening Temperature: 24°F
Clear. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 19°F
Cloudy. Windy at times.
Morning Temperature: 20°F
Cloudy. Windy.
Afternoon Temperature: 19°F
Cloudy. Windy.
Evening Temperature: 17°F
Cloudy. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 15°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 20°F
A mix of cloudy and clear skies.
Tuesday, February 24th, 2026
Overnight Temperature: 19°F
Cloudy.
Morning Temperature: 30°F
Cloudy. Windy at times.
Afternoon Temperature: 34°F
Cloudy. Windy at times.
Evening Temperature: 34°F
Cloudy. Windy at times.
Wednesday, February 25th, 2026
Overnight Temperature: 36°F
Cloudy. Windy at times.
Morning Temperature: 41°F
Cloudy. Windy.
Afternoon Temperature: 35°F
Cloudy. Windy at times.
Evening Temperature: 28°F
Cloudy.





 

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This WeatherCity Weather Forecast for Savanna, 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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