As of 11pm Wednesday, Hydro One says approximately 2,000 people in Leamington and Wheatley will remain without power until possibly as late as 8pm tomorrow (Thursday).
Much smaller clusters across Windsor-Essex are looking at similar outage lengths (Thrs. 6pm-8pm) according to the utility.
Windsor-Essex power outage map, March 8, 2017 (Hydro One website screenshot)
An AM800 News photo gallery, displaying the damage from today's severe wind, can be found here.