The Weather Network Extreme Heat To Hit Across Ontario To Signal Summer Arrival
After a refreshing weekend in southern Ontario, the heat will return with a punch this week, as summer officially begins. An unusually strong, extensive high-pressure ridge south of the border will be responsible for trapping some of the hottest temperatures and humidity values to date this year, and some have been recorded. Temperatures reaching the low and mid-30s and the same values in the 1940s will dominate the area as the week progresses, with no relief for the immediate future....