Filming of the third season was suspended part way through the sixth episode when the location was included in the mandatory evacuation area due to the flooding in southern Alberta . Originally , producers had announced a two-day shut down , when the only road to the location was underwater . Later , on June 21 , producers announced that the production hiatus , scheduled to begin June 27 , would take effect immediately . Anson Mount shared pictures of the nearby river and exterior sets flooding on June 20 and 21
flooding in southern Alberta
2013 Alberta floods
Hell on Wheels (TV series)