Londoners can expect a mild, but cloudy Thanksgiving Monday. Environment Canada says the week ahead is looking unsettled, bringing a mix of showers, a risk of thunderstorms on Tuesday, and gradually cooler temperatures as the week progresses. Thanksgiving Monday begins mainly cloudy with morning fog patches and a 40 per cent chance of drizzle. Winds will become southwest 20 km/h, gusting to 40 km/h near noon. The high will be 24C (Humidex 29, UV 5 Moderate). Monday night, conditions clear to partly cloudy with southwest winds at 20 km/h and a low of 18C. Here’s the forecast for the rest of the week: