Stratford News Special Weather Statement in effect for Perth County with heavy rain expected SHARE ON: Casey Kenny, staff Thursday, Oct. 14th, 2021 (Image supplied by www.perthcounty.ca. ). You won’t want to forget your umbrella at home when you head out. Environment Canada has issued a Special Weather Statement for Perth County with heavy rain expected at times today (Friday) and tonight. The weather agency says we could see as much as 30 to 40 millimetres with some areas seeing as much as 50.