Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
Thunderstorms are forecast to develop early this evening and then persist into late this evening or early overnight. The main threat is heavy rain with strong wind gusts a lesser threat.
Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@canada.ca or tweet reports using #ONStorm.
For more information: http://www.emergencymanagementontario.ca/english/beprepared/beprepared.html.