Environment Canada has called off the weather advisory for south Niagara, but fog persists for north Niagara.
The fog advisory that was in effect for the entire region has been called off for south Niagara.
However, Environment Canada says it remains in effect for north Niagara, including St. Catharines and Grimsby.
The area is experiencing locally dense fog this morning, with near zero visibility south of Highway 401 and from Highway 403 and the QEW toward Lake Ontario.
The fog is expected to persist until late this morning or early afternoon in areas near Lake Ontario.
Motorists may experience reduced visibility in some locations.
If visibility is reduced while driving, you're advised to slow down, watch for tail lights ahead, and be prepared to stop.
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