Environment Canada has issued a wind warning for the region, as well as a severe thunderstorm watch.
An intense low pressure system is expected to bring significant winds Sunday evening and overnight.
There is also the potential for severe thunderstorms over Southwestern Ontario.
Officials at the London International Airport are advising people flying out of the airport to call their airlines ahead of time to check on the status of flights. They say to expect delays or cancellations.
Intense thunderstorms and tornadoes swept across the U.S. Midwest on Sunday, causing extensive damage in several central Illinois communities while sending people to their basements for shelter.
