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August 15th, 2026 :: 8:08 am CDT   

Local Weather Report for
Columbia
Illinois, United States

 Columbia Weather Forecast Summary  
 
Today
Aug 15th
Sunday
Aug 16th
Monday
Aug 17th
Tuesday
Aug 18th
Wednesday
Aug 19th
Mostly Sunny Mostly Sunny Mostly Cloudy with Showers Mostly Sunny Mostly Sunny
91°F
95°F
74°F
83°F
69°F
88°F
65°F
86°F
69°F
 
 Columbia Detailed Weather Forecast  
 
Saturday, August 15th, 2026
Morning Temperature: 78°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 89°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 84°F
Mostly clear. Chance of a thunderstorm.
Sunday, August 16th, 2026
Overnight Temperature: 79°F
Clear with cloudy periods.
Morning Temperature: 76°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 92°F
Sunny with a slight chance of showers or thundershowers.
Evening Temperature: 81°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Monday, August 17th, 2026
Overnight Temperature: 72°F
Mostly clear with showers likely. Windy at times.
Morning Temperature: 72°F
Sunny with a chance of showers.
Afternoon Temperature: 82°F
Mostly sunny. Windy at times.
Evening Temperature: 73°F
Mostly clear.
Tuesday, August 18th, 2026
Overnight Temperature: 66°F
Mostly clear.
Morning Temperature: 70°F
Mostly sunny.
Afternoon Temperature: 86°F
Sunny.
Evening Temperature: 78°F
Clear. Chance of a thunderstorm.
Wednesday, August 19th, 2026
Overnight Temperature: 74°F
Mostly clear with a chance of showers. Windy at times.
Morning Temperature: 73°F
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 76°F
Mostly clear. Chance of a thunderstorm.
Thursday, August 20th, 2026
Overnight Temperature: 68°F
Clear with cloudy periods.
Morning Temperature: 67°F
A mix of cloud and sun with a chance of showers.
Afternoon Temperature: 69°F
Mostly cloudy with a chance of showers. Windy at times.
Evening Temperature: 66°F
Mostly cloudy with a chance of showers. Windy at times.
Friday, August 21st, 2026
Overnight Temperature: 63°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 67°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 79°F
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 73°F
Clear with cloudy periods. Slight chance of a thunderstorm.
Saturday, August 22nd, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 82°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 74°F
Clear with cloudy periods. Slight chance of a thunderstorm.
Sunday, August 23rd, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 86°F
Sunny.
Evening Temperature: 77°F
Clear. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Columbia, 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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