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June 11th, 2025 :: 6:37 pm CDT   

Local Weather Report for
Collinsville
Illinois, United States

 Collinsville Weather Forecast Summary  
 
Today
Jun 11th
Thursday
Jun 12th
Friday
Jun 13th
Saturday
Jun 14th
Sunday
Jun 15th
Cloudy Cloudy Thundershowers Thundershowers Mix of Cloud and Sun
82°F
84°F
64°F
75°F
67°F
80°F
65°F
79°F
60°F
 
 Collinsville Detailed Weather Forecast  
 
Wednesday, June 11th, 2025
Evening Temperature: 68°F
A mix of clear and cloudy skies.
Thursday, June 12th, 2025
Overnight Temperature: 65°F
Cloudy.
Morning Temperature: 78°F
Cloudy.
Afternoon Temperature: 81°F
Cloudy.
Evening Temperature: 70°F
Cloudy.
Friday, June 13th, 2025
Overnight Temperature: 69°F
Cloudy with a chance of showers.
Morning Temperature: 70°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 75°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 69°F
Cloudy with showers likely.
Saturday, June 14th, 2025
Overnight Temperature: 66°F
Clear with cloudy periods.
Morning Temperature: 76°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 80°F
Sunny with cloudy periods with showers likely. Chance of a thunderstorm.
Evening Temperature: 71°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Sunday, June 15th, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 74°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 78°F
Sunny. Windy at times.
Evening Temperature: 63°F
Clear.
Monday, June 16th, 2025
Overnight Temperature: 61°F
Clear.
Morning Temperature: 76°F
Mostly sunny.
Afternoon Temperature: 82°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 70°F
Clear.
Tuesday, June 17th, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 84°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 86°F
Cloudy with a few showers. Chance of a thunderstorm.
Evening Temperature: 75°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Wednesday, June 18th, 2025
Overnight Temperature: 73°F
Clear. Chance of a thunderstorm.
Morning Temperature: 85°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 87°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 77°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Thursday, June 19th, 2025
Overnight Temperature: 75°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 86°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 90°F
Mostly sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 80°F
Clear with cloudy periods. Chance of a thunderstorm. Windy.





 

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This WeatherCity Weather Forecast for Collinsville, 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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