It might be a good idea to bring an umbrella for London area residents doing anyth8ing outside today, according to the rainy Environment Canada forecast. Sunday is expected to bring periods of rain. Southeast winds will continue at 20 km/h gusting to 40 km/h, with a high temperature of 17C and a low UV index of 1. Sunday night will be cloudy with a 40 per cent chance of showers and a low of 13C. Thanksgiving Monday is expected to be cloudy with a high of 22C. Monday night will remain cloudy with a 40 per cent chance of showers and a low of 11C. Here’s the extended forecast: