Freeze Warnings take effect tonight across parts of New York, with lows in the upper 20s to around 30 expected from the Hudson Valley to Buffalo.
The warnings run into 9 a.m. EDT Sunday.
Frost and freeze conditions could kill crops and other sensitive vegetation.
The coldest air of the season so far has arrived.
Western New York
NWS Buffalo expects lows around 30 degrees.
The warning runs 11 p.m. Saturday to 9 a.m. EDT Sunday.
Counties: Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Northern Erie and Genesee.
Cities include Buffalo, Rochester, Niagara Falls, Medina, Newark, Fair Haven and Batavia.
The coldest temperatures will be in rural areas away from the immediate lakeshores.
Freeze Warnings apply where the growing season has not already ended.
Hudson Valley
NWS New York expects lows in the upper 20s and lower 30s.
The warning runs midnight tonight to 9 a.m. EDT Sunday.
New York counties: Orange and Putnam.
Cities and towns include Newburgh, Middletown, Monroe, Carmel and Brewster.
NWS New York says temperatures could fall below freezing west and north of New York City.
Nearby: Connecticut and New Jersey
The same NWS New York warning covers four Connecticut counties.
Connecticut: Northern Fairfield, Northern New Haven, Northern Middlesex and Northern New London.
It also covers Western Passaic County in New Jersey.
NWS Mount Holly has Freeze Warnings for Sussex, Warren, Morris and Hunterdon counties in New Jersey.
Lows there range from 28 in Sussex County to 31 in Warren, Morris and Hunterdon.
Those warnings run 1 a.m. to 9 a.m. EDT Sunday.
How to Prepare
A Freeze Warning means sub-freezing temperatures are expected.
Take steps now to protect tender plants from the cold.
Cover or bring in sensitive plants before nightfall.
Local forecasts and alerts: NWS New York and NWS Buffalo.
For more on freezes and plant damage, see the NWS Cold Weather Safety guide.
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