Environment Canada has ended a severe thunderstorm warning for London and eastern Middlesex County.
The weather agency said at 5 p.m. on Friday that a line of severe thunderstorms located between Bryanston and Dorchester was moving east at 35 kilometres per hour. The storm was expected to impact Ingersoll, Dorchester, Thorndale, Thamesford and Putnam.
Up to 50 millimetres of rain was also possible.
Residents are advised to take cover immediately if threatening weather approaches.