WWUS71 KPHI 200625 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 225 AM EDT Mon Apr 20 2026 NJZ001-PAZ054-055-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ /O.CON.KPHI.FZ.W.0003.000000T0000Z-260420T1400Z/ Sussex-Carbon-Monroe- Including the cities of Jim Thorpe, Newton, and Stroudsburg 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 26. For the second Freeze Warning, sub-freezing temperatures as low as 22 expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...For the first Freeze Warning, until 10 AM EDT this morning. For the second Freeze Warning, 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. && $$ NJZ007>010-PAZ062-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ /O.CON.KPHI.FR.Y.0002.000000T0000Z-260420T1200Z/ Warren-Morris-Hunterdon-Somerset-Northampton- Including the cities of Easton, Morristown, Washington, Bethlehem, Flemington, and Somerville 225 AM EDT Mon Apr 20 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Warning, from midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001-PAZ070-071-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Philadelphia, and Wilmington 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * 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. && $$ DEZ002-003-MDZ012-015-019-020-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Georgetown, Chestertown, Easton, Denton, Dover, and Centreville 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, KentMD, Queen Annes, and Talbot Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ012-013-015>023-027-PAZ060-061-101>106-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Berks-Lehigh-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Perkasie, Oxford, West Chester, Hammonton, Wharton State Forest, Lansdale, Mount Holly, Millville, Jackson, Doylestown, Honey Brook, Cape May Court House, Allentown, Camden, Glassboro, Kennett Square, Cherry Hill, Morrisville, Trenton, Chalfont, Pennsville, Moorestown, Pottstown, Collegeville, Freehold, New Brunswick, Reading, and Norristown 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Portions of central, northern, 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. && $$ Guzzo