10:02 AM EDT Thursday 13 June 2024 Severe Thunderstorm Watch in effect for: Matagami Conditions are favourable for the development of severe thunderstorms late this afternoon and this evening. Main threats: - Strong wind gusts up to 100 kilometres per hour - Hail up to 2 centimetres in size - Torrential downpours of 30 to 50 millimetres Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Water-related activities may be unsafe due to violent and sudden gusts of wind over bodies of water. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors! 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 QCstorm@ec.gc.ca or tweet reports using #QCStorm .