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| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1530 ET Sun Jul 12 2026 |
| Tonight: Clear. Local smoke. Low 15. Monday: Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Risk of thunderstorms in the afternoon. Local smoke in the morning. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 30. Humidex 34. Uv index 8 or very high. Monday Night: Mainly cloudy. Clearing near midnight. Wind west 30 km/h gusting to 50 becoming light in the evening. Wind becoming southwest 30 before morning. Low 21. Tuesday: Sunny. High 33. Tuesday Night: Cloudy periods with 30 percent chance of showers. Low 21. Wednesday: Sunny. High 29. Wednesday Night: Clear. Low 15. Thursday: A mix of sun and cloud with 30 percent chance of showers. High 28. Thursday Night: Clear. Low 14. Friday: A mix of sun and cloud. High 26. Friday Night: Cloudy periods. Low 15. Saturday: A mix of sun and cloud. High 25. |
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sports headlines
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