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 Collinsville Weather Forecast Summary |
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Today
Feb 16th
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Tuesday
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
67°F
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69°F
56°F |
70°F
54°F |
68°F
44°F |
51°F
36°F |
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| Collinsville Detailed Weather Forecast |
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| Monday, February 16th, 2026 |
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Evening |
Temperature: 57°F |
| Cloudy. Windy. |
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| Tuesday, February 17th, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy. Windy. |
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Morning |
Temperature: 64°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 68°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 66°F |
| A mix of cloudy and clear skies. Wind 20 to 30 mph. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 56°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 63°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 61°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 56°F |
| Clear. Windy at times. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 56°F |
| Clear. Windy. |
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Morning |
Temperature: 64°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 59°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 47°F |
| Cloudy. Windy. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 38°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 45°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 47°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 43°F |
| Cloudy with a chance of showers. Windy at times. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 41°F |
| Cloudy. Windy. |
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Morning |
Temperature: 44°F |
| Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times. |
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Afternoon |
Temperature: 45°F |
| Sunny. |
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Evening |
Temperature: 41°F |
| Clear. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 37°F |
| Clear. Windy at times. |
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Morning |
Temperature: 40°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 39°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 31°F |
| Cloudy. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 29°F |
| Cloudy. |
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Morning |
Temperature: 37°F |
| Cloudy. |
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Afternoon |
Temperature: 41°F |
| Sunny. |
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Evening |
Temperature: 36°F |
| Clear. Windy at times. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 35°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 47°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 51°F |
| Cloudy. Windy. |
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Evening |
Temperature: 51°F |
| Cloudy. Wind 20 to 30 mph. |
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