Freeze Warning
Status
Event Continued Active alertStart Time
Tue 04/21/2026 12:00 AM EDTEnd Time
Tue 04/21/2026 09:00 AM EDTSignificance
WarningImpacts
High impact
Locations Affected
Philadelphia, PA ∙ Allentown, PA ∙ Reading, PA ∙ Trenton, NJ ∙ Camden, NJ ∙ Bethlehem, PA ∙ Wilmington, DE ∙ Vineland, NJ ∙ New Brunswick, NJ ∙ Perth Amboy, NJFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1017 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 26 degrees expected. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.
Technical Header
NJZ007>010-012-013-015>023-027-PAZ060>062-101>106-210400- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Easton, Lansdale, New Brunswick, Kennett Square, Flemington, Hammonton, Oxford, Mount Holly, Pennsville, Freehold, Chalfont, Glassboro, Honey Brook, Reading, Millville, Morrisville, Cape May Court House, Camden, Bethlehem, Norristown, Perkasie, Trenton, Somerville, Cherry Hill, Moorestown, West Chester, Doylestown, Washington, Jackson, Morristown, Wharton State Forest, Pottstown, Allentown, and Collegeville 1017 AM EDT Mon Apr 20 2026
