About 60 firefighters supported by bulldozers and three water-dropping helicopters are fighting the flames.
The 75-hectare fire is just west of the hamlet.
Warm temperatures, dry vegetation and gusty winds have created very high wildfire conditions in the Rocky Mountain House region.
Workers at Nordegg Resort Lodge said they heard about the evacuation notice on the radio, but didn't know what it meant.
A woman answering the phone said her boss told her to talk to Alberta Sustainable Resources and Development.
She said there were workers from the department staying at the lodge and if it was that bad, the workers would have told them to leave.
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