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 Collinsville Weather Forecast Summary |
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Today
Dec 13th
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Sunday
Dec 14th
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Monday
Dec 15th
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Tuesday
Dec 16th
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Wednesday
Dec 17th
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Mostly Sunny |
Mix of Cloud and Sun |
Thundershowers |
Showers |
Cloudy |
35°C
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36°C
20°C |
36°C
22°C |
31°C
21°C |
30°C
21°C |
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| Collinsville Detailed Weather Forecast |
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| Saturday, December 13th, 2025 |
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Overnight |
Temperature: 22°C |
| Mostly clear. |
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Morning |
Temperature: 33°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 28°C |
| Sunny with cloudy periods. Windy. |
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Evening |
Temperature: 21°C |
| Clear. Windy at times. |
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| Sunday, December 14th, 2025 |
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Overnight |
Temperature: 21°C |
| Clear. |
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Morning |
Temperature: 34°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 29°C |
| A mix of sun and cloud. Windy at times. |
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Evening |
Temperature: 22°C |
| A mix of cloudy and clear skies. Windy at times. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 23°C |
| Cloudy. |
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Morning |
Temperature: 34°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 29°C |
| Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 23°C |
| Cloudy with a few showers. Chance of a thunderstorm. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy with a few showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 27°C |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 28°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 22°C |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 29°C |
| Cloudy with sunny periods with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 26°C |
| Cloudy with a slight chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 22°C |
| A mix of cloudy and clear skies. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 28°C |
| Cloudy with sunny periods with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 25°C |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy with clear periods. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 22°C |
| Mostly cloudy with a chance of showers. |
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Morning |
Temperature: 25°C |
| A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 24°C |
| A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy with a chance of showers. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 27°C |
| A mix of cloud and sun with showers likely. Windy at times. |
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Afternoon |
Temperature: 25°C |
| A mix of cloud and sun with a chance of showers. Windy at times. |
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Evening |
Temperature: 22°C |
| A mix of cloudy and clear skies. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 22°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 32°C |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 28°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 23°C |
| Cloudy. |
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