http://wildfire.alberta.ca/
The western provinces are all very dry. High hazard conditions carried into the winter with low snowfall accumulations. This is May, and the fire season typically runs throughout the summer.
The city of Fort McMurray has been ordered evacuated. About 17,000 people moved north into oil sands constructions camps which were empty due to annual shutdowns. The other 40,000 went south towards ANZAC (!) and other communities, some of which have now been include in evacuation orders, or flew out. The industrial corporate citizens have removed all nonessential personnel to get them the heck out of the way of residents.