UPDATE: The frost advisory has ended.
Another frost advisory has been issued for the Grande Prairie – Beaverlodge – Valleyview areas.
Environment Canada says widespread frost is expected again tonight across much of Alberta. There will be less cloud cover tonight across northern regions, leading to a hard freeze. People are being reminded to cover plants, especially in frost-prone areas.
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.