Environment Canada has issued a fog advisory for the Hanna, Rockyford, Rosebud, Three Hills and Drumheller areas.
Extensive areas of fog have once again formed near the Highway 1 corridor. These areas are expected to expand through the overnight period and will dissipate Tuesday morning.
Travel is expected to be hazardous in some locations.
Fog advisories are issued when near zero visibilities in fog are expected or occurring