UPDATE: Environment Canada has ended the frost advisory for southern Alberta, including the Lethbridge region.
Those in the Lethbridge region are being encouraged to cover up their plants because of a frost advisory.
According to Environment Canada, temperatures are expected to drop to around or below freezing and could cause potential damage to plants and crops.
The current advisory is in place for areas including Lethbridge, Taber and Milk River. More information can be found here.