Might be a good idea to cover up your tomato plants and things before going to bed.
Frost advisory in effect for:
- North Bay – Powassan – Mattawa
- West Nipissing – Port Loring
Some plants may be damaged or even destroyed by frost.
An Arctic high pressure area will bring clear skies and light winds to parts of Ontario tonight. As a result, frost is expected as temperatures drop to near the freezing mark.
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.