On Wednesday at 1 a.m. the National Weather Service released a frost advisory valid for Thursday between midnight and 8 a.m. for Herkimer, Fulton, Montgomery, Saratoga, Washington, Rensselaer, Columbia and Warren counties.

The weather service says to be ready for, "Temperatures as low as 33 to 36 degrees will result in areas of frost formation."

"Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered," states the weather service. "Take steps now to protect tender plants from the cold."

Frost advisory - this is what it means

Frost advisories are issued from May to October (but can be extended if necessary) when temperatures, winds, and sky cover are favorable for frost development. This is most likely to happen when the temperature is 36

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