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May 15th, 2026 :: 10:36 pm CDT   

Local Weather Report for
Rantoul
Illinois, United States

 Current Rantoul Weather Conditions Updated May 15th at 9:55 pm 
Temperature:64°F Dew Point:55°F
Barometer:29.86 inHg Wind:N 19 Mph
Humidity:72.6% Visibility:0M
 
 Rantoul Weather Forecast Summary  
 
Today
May 15th
Saturday
May 16th
Sunday
May 17th
Monday
May 18th
Tuesday
May 19th
Mix of Sun and Cloud Mix of Cloud and Sun Thundershowers Mostly Sunny Thundershowers
73°F
73°F
64°F
81°F
64°F
83°F
67°F
78°F
61°F
 
 Rantoul Detailed Weather Forecast  
 
Saturday, May 16th, 2026
Overnight Temperature: 65°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 68°F
Mostly cloudy with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 72°F
Mostly cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 67°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Sunday, May 17th, 2026
Overnight Temperature: 64°F
Mostly cloudy with a chance of showers.
Morning Temperature: 69°F
A mix of cloud and sun with a few showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 81°F
Mostly sunny with a chance of showers or thundershowers. Windy.
Evening Temperature: 73°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Monday, May 18th, 2026
Overnight Temperature: 68°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 72°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
A mix of sun and cloud with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 75°F
Mostly clear with a chance of showers or thundershowers. Windy.
Tuesday, May 19th, 2026
Overnight Temperature: 72°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy.
Morning Temperature: 69°F
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 77°F
Mostly cloudy with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 62°F
Cloudy with a chance of showers. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 56°F
A mix of clear and cloudy skies with a slight chance of showers. Windy at times.
Morning Temperature: 54°F
Mostly sunny. Windy at times.
Afternoon Temperature: 63°F
Mostly sunny. Windy at times.
Evening Temperature: 56°F
Mostly clear.
Thursday, May 21st, 2026
Overnight Temperature: 47°F
Mostly clear.
Morning Temperature: 51°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 59°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 53°F
A mix of cloudy and clear skies. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 46°F
Clear.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 68°F
Sunny.
Evening Temperature: 62°F
Mostly clear.
Saturday, May 23rd, 2026
Overnight Temperature: 55°F
Mostly clear.
Morning Temperature: 61°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 73°F
Mostly cloudy. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Rantoul, 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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