Alberta officials say the Chimney Rock Road fire was being held as of 12:30 p.m. Friday.
The mandatory evacuation order and alert were in the process of being rescinded.
“Travellers and residents should be aware that heavy smoke may remain along Highway 22 in the area affected by the fire causing decreased visibility,” reads an update from the provincial government. “Any persons having trouble breathing due to the smoke should seek immediate medical assistance.”
WATCH: Viewer Wendy Cochlan captured this footage showing flames near Highway 22.
Alberta Agriculture and Forestry said the Chimney Rock Fire in the Municipal District of Ranchland, southwest of Calgary, was 80 per cent contained as of Thursday.
The blaze covered more than 15 square kilometres but no buildings have been damaged or destroyed.
Lynn Daina, a department information officer, said residents have already been allowed to go back in under permit to check on some 18 properties in the fire zone.
Several pieces of heavy machinery, backed up by helicopters equipped with water buckets, are working on the fire that erupted earlier this week and is still under investigation.
For the latest information and status of wildfires in Alberta, visit the Emergency Alert website.
WATCH: Neil Waters sent in this video of a fire burning in southern Alberta Wednesday, from his view south of Chain Lakes along Highway 22.
With files from Global’s Erika Tucker