Extreme cold warnings sweep all of Alberta

For the first time in Alberta's most recent cold stretch, the entire province has been blanketed with extreme cold warnings by Environment Canada. On Sunday, warnings were in place for most of the province, with the exception of the southwest portion and Calgary. That changed Monday afternoon when the arctic air pushed all the way south, cloaking the province in icy winter temperatures. Extreme cold warnings are issued when either the temperature or the windchill is expected to drop temperatures