Special weather statement in effect for:
Barrie, Collingwood, Midland, Orillia and surrounding areas.
A line of thunderstorms will race northeastward across Southern Ontario between 3 and 6 PM this afternoon.
Some of the thunderstorms may produce wind gusts to 80 km/h, pea to marble sized hail and frequent lightning.
Heavy downpours suddenly reducing visibility to less than 1 km are also possible. Motorists should exercise caution.
The thunderstorms are expected to move northeast out of the region by evening.