Environment Canada issued a special weather statement this morning, forecasting the potential for severe thundestorms tonight in Huron-Perth and:
City of Toronto
Simcoe – Delhi – Norfolk
Dunnville – Caledonia – Haldimand
Oxford – Brant
Niagara
City of Hamilton
Halton – Peel
York – Durham
Waterloo – Wellington
Dufferin – Innisfil
Grey – Bruce
Barrie – Orillia – Midland
Belleville – Quinte – Northumberland
Kingston – Prince Edward
Peterborough – Kawartha Lakes
Stirling – Tweed – South Frontenac
Bancroft – Bon Echo Park
Parry Sound – Muskoka
Haliburton
Burk’s Falls – Bayfield Inlet
A disturbance approaching Central Minnesota this morning is forecast to reach the Central Great Lakes tonight. Potent thunderstorms are likely to form later this afternoon near a warm front affiliated with the low. They are expected to cross Southern Ontario tonight, and will likely generate some much needed rain in many areas in a swath from Lake Huron and Georgian Bay to Lake Ontario and possibly Lake Erie. It may well be the most widespread rainfall in weeks across portions of Southern Ontario. General amounts of 15 to 30 mm are quite possible with locally higher amounts in the heaviest thunderstorms. The thunderstorms may be quite intense with the potential for damaging wind gusts and large hail in addition to the heavy downpours. A spectacular display of frequent and intense lightning will also likely accompany the storms.
There is some uncertainty as to the regions that may be most affected by the storms. Environment Canada will monitor the development of the thunderstorms particularly later today when severe thunderstorm watches may be required.
Please monitor the latest forecasts and warnings from Environment Canada.