Evacuees camp by a lake as smoke fills the sky near Fort McMurray, Alberta, on Wednesday, May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires. No injuries or fatalities have been reported. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Alberta Premier Rachel Notley speaks with media about the wildfires in Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
Conservation officers haul supplies to the evacuation center in Anzac south of Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
Traffic is at a standstill on Highway 63 heading south as residents flee with wildfires burning in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
A wildfire rages through Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
Wildfires burn in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
A pilot flies near wildfires burning in and around Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT
An evacuee puts gas in his car on his way out of Fort McMurray, Alberta, as a wildfire burns in the background Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
A helicopter battles a wildfire in Fort McMurray Alberta on Wednesday May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
A wildfire rages through Fort McMurray, Alberta on Wednesday May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
A helicopter battles a wildfire in Fort McMurray Alberta, on Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP) MANDATORY CREDIT
A group of people camp out in their van at a beach south of Fort McMurray, Alberta, Canada on Wednesday May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Evacuees from the wildfires in and around Fort McMurray exit a bus at the evacuation center at the Edmonton Expo Centre in Edmonton, Alberta, Canada on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Codie McLachlan/The Canadian Press via AP) MANDATORY CREDIT
Dan Crane and Elisha Car take refuge in a work truck after being evacuated from Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
A group of people try to get shade along the side of the road near Fort McMurray Alberta, Canada on Wednesday May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Evacuees from the wildfires in and around Fort McMurray exit a bus at the evacuation center at the Edmonton Expo Centre in Edmonton, Alberta, Canada on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Codie McLachlan/The Canadian Press via AP) MANDATORY CREDIT
A group of people camp out in their van at a beach south of Fort McMurray, Alberta, Canada on Wednesday May 4, 2016. Thousands of residents were ordered to flee as a wildfire moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Robert Parker, left and Matt Jones siphon gas from two snowmobiles for their truck at a rest stop near Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Evacuees from the wildfires in and around Fort McMurray exit a bus at the evacuation center at the Edmonton Expo Centre in Edmonton Alta, on Wednesday, May 4, 2016. A wildfire forced the evacuation of the Canadian oil sands city of Fort McMurray, Alberta, destroying 80 percent of the homes in one neighborhood and extensively damaging property in a number of others, officials said Wednesday. (Codie Mclachlan/The Canadian Press via AP)
Evacuees from the wildfires in and around Fort McMurray exit a bus at the evacuation center at the Edmonton Expo Centre in Edmonton Alta, on Wednesday, May 4, 2016. A wildfire forced the evacuation of the Canadian oil sands city of Fort McMurray, Alberta, destroying 80 percent of the homes in one neighborhood and extensively damaging property in a number of others, officials said Wednesday. (Codie Mclachlan/The Canadian Press via AP)
Evacuees from Fort McMurray line up to register at an evacuee reception center set up and operated by the regional municipality of Wood Buffalo in Anzac, Alberta, Canada on Wednesday, May 4, 2016. More than 80,000 residents were ordered to flee the Canadian oil sands city of Fort McMurray, as a wildfire moved into the city, destroying whole neighborhoods. (Mike Allen/The Canadian Press via AP) MANDATORY CREDIT
An evacuee gathers clothes from the back of a truck at a rest stop near Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Byron Cross has breakfast on his truck at a rest stop, after being evacuated from Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Evacuees from the wildfires in and around Fort McMurray exit a bus at the evacuation center at the Edmonton Expo Centre in Edmonton Alta, on Wednesday, May 4, 2016. A wildfire forced the evacuation of the Canadian oil sands city of Fort McMurray, Alberta, destroying 80 percent of the homes in one neighborhood and extensively damaging property in a number of others, officials said Wednesday. (Codie Mclachlan/The Canadian Press via AP)
A family takes refuge in the back of their boat after evacuation at a rest stop near Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Smoke fills the air as a small plane flies overhead in Fort McMurray, Alberta, Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Kitty Cochrane/The Canadian Press via AP) MANDATORY CREDIT
Smoke rises from a wildfire outside of Fort McMurray, Alberta, Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Mary Anne Sexsmith-Segato/The Canadian Press via AP) MANDATORY CREDIT
Smoke rises from a wildfire outside of Fort McMurray, Alberta, Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Mary Anne Sexsmith-Segato/The Canadian Press via AP) MANDATORY CREDIT
Smoke fills the air as a helicopter flies overhead in Fort McMurray, Alberta on Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Kitty Cochrane/The Canadian Press via AP) MANDATORY CREDIT
People gather for gas that is being handed out at a rest stop near Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP) MANDATORY CREDIT
Smoke rises from a wildfire outside of Fort McMurray, Alberta, Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Mary Anne Sexsmith-Segato/The Canadian Press via AP) MANDATORY CREDIT
This photo take through a car windshield shows smoke rising from a wildfire rages outside of Fort McMurray, Alberta, Tuesday, May 3, 2016. The entire population of the Canadian oil sands city of Fort McMurray, has been ordered to evacuate as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Mary Anne Sexsmith-Segato/The Canadian Press via AP) MANDATORY CREDIT