It's calling it the longest and most significant heat wave of the summer so far. There's a heat wave on the way in the city of Hamilton. The Weather Network says a hot and humid air mass from the U.S. will begin this afternoon, when temperatures will reach the low 30s. It will remain humid tonight, and the weather will be hot and humid through to Friday. Afternoon temperatures will reach the low to mid 30s.

Source: CBC News August 09, 2016 10:41 UTC