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February 17th, 2026 :: 4:35 am CST   

Local Weather Report for
Olney
Illinois, United States

 Current Olney Weather Conditions Updated February 17th at 3:55 am 
Temperature:43°F Dew Point:39°F
Barometer:30.01 inHg Wind:N 6 Mph
Humidity:87.0% Visibility:0M
 
 Olney Weather Forecast Summary  
 
Today
Feb 17th
Wednesday
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Cloudy Cloudy Cloudy Cloudy Mix of rain and snow
57°F
69°F
54°F
64°F
51°F
48°F
36°F
38°F
31°F
 
 Olney Detailed Weather Forecast  
 
Tuesday, February 17th, 2026
Morning Temperature: 54°F
Cloudy. Windy at times.
Afternoon Temperature: 56°F
Cloudy. Windy at times.
Evening Temperature: 56°F
Cloudy. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 57°F
Cloudy. Windy.
Morning Temperature: 65°F
Cloudy. Windy.
Afternoon Temperature: 60°F
Sunny.
Evening Temperature: 55°F
Clear. Windy at times.
Thursday, February 19th, 2026
Overnight Temperature: 52°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 61°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 63°F
Sunny with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 59°F
Cloudy with a chance of showers. Windy.
Friday, February 20th, 2026
Overnight Temperature: 43°F
Cloudy. Windy.
Morning Temperature: 44°F
Cloudy. Windy.
Afternoon Temperature: 43°F
Cloudy.
Evening Temperature: 38°F
Clear.
Saturday, February 21st, 2026
Overnight Temperature: 33°F
Cloudy.
Morning Temperature: 36°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 33°F
A mix of cloud and sun with a chance of flurries or showers. Windy at times.
Evening Temperature: 32°F
Cloudy. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 28°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 30°F
Cloudy. Windy.
Afternoon Temperature: 28°F
A mix of cloud and sun. Windy.
Evening Temperature: 23°F
Clear with cloudy periods. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 19°F
Mostly clear. Windy.
Morning Temperature: 28°F
Sunny. Windy at times.
Afternoon Temperature: 27°F
A mix of sun and cloud.
Evening Temperature: 23°F
Clear.
Tuesday, February 24th, 2026
Overnight Temperature: 23°F
Clear.
Morning Temperature: 36°F
Cloudy. Windy at times.
Afternoon Temperature: 34°F
Cloudy.
Evening Temperature: 33°F
Cloudy. Windy at times.
Wednesday, February 25th, 2026
Overnight Temperature: 33°F
Cloudy. Windy at times.
Morning Temperature: 48°F
Cloudy. Windy.
Afternoon Temperature: 50°F
Cloudy. Windy at times.
Evening Temperature: 48°F
Cloudy. Windy at times.





 

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3:55 AM  39°F
 
 
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3:55 AM  39°F
 
 
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3:55 AM  39°F
 
 
Fairfield, IL 
4:00 AM  43°F
 
 
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3:55 AM  45°F
 
 
Lawrenceville, IL 
3:53 AM  39°F
 
 
Robinson, IL 
3:55 AM  36°F
mist
 
Vincennes, IN 

 
This WeatherCity Weather Forecast for Olney, 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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