News Thunderstorm watch in effect SHARE ON: Patrick Grapes, contributor, Wednesday, Aug. 15th, 2018 Photo: Supplied Environment Canada has issued a severe thunderstorm watch. It’s in effect for Haliburton, Minden, Oxtongue Lake, Fort Irwin and Haliburton County. Environment Canada says if a thunderstorm forms we could see winds up to 90 km/h, hail and heavy rain. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. The agency says if you see lightning or hear thunder you should go inside immediately. 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. The My Haliburton Now Newsroom is keeping an eye on this weather system and will keep you updated.