Travel is expected to be hazardous, Environment Canada saysWEATHER ALERTENVIRONMENT CANADA*************************Fog advisory issued for:Niagara, Ont. Current details:Near zero visibility in fog is expected or occurring over some areas. Visibility may be significantly and suddenly reduced to near zero. Travel is expected to be hazardous due to reduced visibility in some locations. If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop.
