Niagara under a fog advisory
A fog advisory has been issued for the entire Niagara Region and Hamilton.
Near zero visibility in fog is expected or occurring.
Warm air moving over Southern Ontario will create dense fog this evening and travel may become hazardous.
The fog is expected to dissipate late this evening or overnight.
Travel is expected to be hazardous due to reduced visibility in some locations.
Expect to see more fog for the morning commute Tuesday.