Environment Canada has issued a frost advisory for the following regions:

R.M. of Benson including Benson
R.M. of Brokenshell including Trossachs
R.M. of Caledonia including Milestone and Parry
R.M. of Cambria including Torquay and Outram
R.M. of Cymri including Midale Macoun and Halbrite
R.M. of Estevan including Estevan and Hitchcock
R.M. of Fillmore including Fillmore Creelman and Osage
R.M. of Griffin including Griffin and Froude
R.M. of Lake Alma including Lake Alma and Beaubier
R.M. of Laurier including Radville
R.M. of Lomond including Colgate and Goodwater
R.M. of Norton including Pangman and Khedive
R.M. of Scott including Yellowgrass Lang and Lewvan
R.M. of Souris Valley including Tribune and Oungre
R.M. of Wellington including Cedoux Colfax and Tyvan
R.M. of Weyburn including Weyburn and McTaggart
They warn that frost may damage some crops in frost-prone areas.

"Clearing skies will allow temperatures to fall below freezing over a portion of southern Manitoba and southeastern Saskatchewan tonight. Temperatures will climb back above zero degrees Celsius early Wednesday morning as more cloud moves into the region."

"Take preventative measures to protect frost-sensitive plants and trees."

"Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops."