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 Collinsville Weather Forecast Summary |
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Today
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Thursday
Jan 22nd
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Thundershowers |
Thundershowers |
Thundershowers |
Cloudy |
Cloudy |
33°C
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31°C
22°C |
32°C
21°C |
30°C
21°C |
28°C
21°C |
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| Collinsville Detailed Weather Forecast |
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| Sunday, January 18th, 2026 |
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Morning |
Temperature: 31°C |
| Sunny with cloudy periods with a slight chance of showers or thundershowers. |
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Afternoon |
Temperature: 27°C |
| Cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 23°C |
| Mostly clear with showers likely. Chance of a thunderstorm. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 23°C |
| Cloudy. Slight chance of a thunderstorm. |
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Morning |
Temperature: 29°C |
| A mix of cloud and sun with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 28°C |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 22°C |
| Clear with a chance of showers. Slight chance of a thunderstorm. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 22°C |
| Mostly clear. |
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Morning |
Temperature: 30°C |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 25°C |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 22°C |
| Clear with a chance of showers. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 22°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 28°C |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 26°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy. Windy at times. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 22°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 28°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 25°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy. Windy at times. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 22°C |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 28°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 25°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy. Windy at times. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 21°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 28°C |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 25°C |
| Cloudy. Windy. |
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Evening |
Temperature: 22°C |
| Cloudy. Windy at times. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 21°C |
| Cloudy. |
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Morning |
Temperature: 28°C |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 25°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 19°C |
| Cloudy. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: 19°C |
| Cloudy. |
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Morning |
Temperature: 28°C |
| A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 26°C |
| A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 20°C |
| Cloudy. |
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