It's a scorcher today. It's the hottest day in the history of Toronto.
'to scorch' is a verb meaning: to burn quickly;
for example: You should scorch the meat in the frying pan.
The high was 38 Celsius today.
This blog is mainly to explain a different English language expression every day. Sometimes I post other stuff. I also have a YouTube channel which is mostly about computer software: https://www.youtube.com/englishspacedog