The worst of Southern California’s ongoing heat wave is expected to land Thursday, but relief is not yet in sight. Temperatures will remain toasty over the weekend, and another hot spell is ...

The multi-year heat wave nicknamed ‘The Blob’ impacted thousands of kilometres of marine ecosystems from Alaska to Baja California.

Here’s what a heat dome is, how it’s different from a heat wave and how hot it has to get for each region of Florida to issue a heat advisory.

Here’s what a heat dome is, how it’s different from a heat wave and how hot it has to get for each region of Florida to issue a heat advisory.