Windsor-Essex and Chatham-Kent are under a severe thunderstorm warning.
Environment Canada said they're tracking the storm which is capable of producing very strong winds and possible nickle-sized hail.
The weather authority said the line of storms is moving over Michigan, eastward at 70 km/hr toward Windsor.
Gusts could reach up to 90 km/hr.
Storms are expected to hit the region at about 12:50 p.m.
Windsor, Amherstburg, Tecumseh, Kingsville, Belle River and Lakeshore are all in the storms path, according to Environment Canada.