Temperatures will fall into the mid-30s in the region but it will be slightly warmer near Lake Erie. Widespread frost is expected to develop after midnight as temperatures fall.
Frost is likely in sheltered areas and rural areas where the wind becomes light. These conditions pose a threat to tender vegetation.
A frost advisory is issued when frost is expected to develop during the growing season. those with agricultural interests in the warned area are advised to harvest or protect tender vegetation. also... potted plants normally left outdoors should be covered or brought inside away from the cold.
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