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Frost Advisory

Status

Event Continued Active alert

Start Time

Mon 04/20/2026 02:14 AM EDT

End Time

Mon 04/20/2026 08:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Paterson, NJ ∙ New Haven, CT ∙ Yonkers, NY ∙ Bridgeport, CT ∙ Stamford, CT ∙ Clifton, NJ ∙ Norwalk, CT ∙ Mount Vernon, NY ∙ Passaic, NJ ∙ New Rochelle, NY

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service New York NY 214 AM EDT Mon Apr 20 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Warning, from midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.

Technical Header

CTZ009>012-NJZ002-004-103-104-NYZ069>071-078>081-201415- /O.CON.KOKX.FZ.W.0002.260421T0400Z-260421T1300Z/ /O.CON.KOKX.FR.Y.0003.000000T0000Z-260420T1200Z/ Southern Fairfield-Southern New Haven-Southern Middlesex-Southern New London-Western Passaic-Eastern Passaic-Western Bergen-Eastern Bergen-Rockland-Northern Westchester-Southern Westchester- Northwest Suffolk-Northeast Suffolk-Southwest Suffolk-Southeast Suffolk- 214 AM EDT Mon Apr 20 2026