UPDATE: As of 6:24 p.m. Wednesday, Environment Canada has ended the severe thunderstorm warning.
A severe thunderstorm warning has been issued for the City of Toronto.
The warning also covers Vaughan, Richmond Hill and Markham, with localized strong winds and small hail expected early on Wednesday evening.
Meanwhile, large parts of the GTA including Mississauga and Brampton are under a special weather statement due the same weather system moving through portions of Southern Ontario.
Wind gusts of up to 80 km/h and pea-sized hail are associated with these bands.
The bands should weaken near or shortly after dusk.