A frost warning has been issued for several areas in the GTA, including Durham Region, York Region and Halton-Peel Region.

The statement warns of cold weather and frost forming overnight in many of the listed areas.

Other major areas in and around the GTA that are also included in the warning:

London, Caledonia, Oxford, Stratford, Waterloo, Dufferin-Innisfil, Belleville, Northumberland, Brockville and Ottawa.

Temperatures are expected to fall below 0 C overnight before rising back above the freezing mark Monday afternoon.