NewsHeat Warning In Effect SHARE ON: Karim Mosna, contributor, Friday, Jun. 29th, 2018Environment Canada has issued a heat warning for Haliburton County. Daytime high temperatures are expected to be in the low to mid 30’s. On Canada Day, the temperature could peak at 35 degrees. With the humidity, it could feel as hot as the low 40’s. Environment Canada is predicting the heat will stick around through next week.