Alert archive / Pennsylvania / Freeze Warnings in 2026

Freeze Warning 3, NWS Philadelphia/Mount Holly

April 19, 2026Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this freeze warning at Apr 19, 2026, 1:11 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Apr 19, 2026, 11:00 PM EDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2026, 1:11 AM EDT (05:11 UTC)
In effect from
Apr 19, 2026, 11:00 PM EDT
Expired
Apr 20, 2026, 10:00 AM EDT
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 05:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 5.2 hours before the alert went out and 201 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2026-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2026-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
806 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

335 
WWUS71 KPHI 190511
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
111 AM EDT Sun Apr 19 2026

PAZ054-055-192000-
/O.NEW.KPHI.FZ.W.0003.260420T0300Z-260420T1400Z/
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Carbon-Monroe-
Including the cities of Stroudsburg and Jim Thorpe
111 AM EDT Sun Apr 19 2026

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 10 AM EDT 
MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 
  25 expected. For the Freeze Watch, sub-freezing temperatures as 
  low as 19 possible.

* WHERE...Carbon and Monroe Counties.

* WHEN...For the Freeze Warning, from 11 PM this evening to 10 AM 
  EDT Monday. For the Freeze Watch, from late Monday night through 
  Tuesday morning.

* 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.

&&

$$

DEZ001-PAZ070-071-192000-
/O.EXA.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
New Castle-Delaware-Philadelphia-
Including the cities of Media, Philadelphia, and Wilmington
111 AM EDT Sun Apr 19 2026

...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY 
MORNING...

* WHAT...Sub-freezing temperatures as low as 30 possible, mainly 
  outside of the urban city centers.

* WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware 
  and Philadelphia Counties.

* WHEN...From late Monday night through Tuesday morning.

* 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-MDZ012-015-019-020-192000-
/O.EXA.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Centreville, Denton, Georgetown, Dover,
Chestertown, and Easton
111 AM EDT Sun Apr 19 2026

...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY 
MORNING...

* WHAT...Sub-freezing temperatures as low as 30 possible.

* WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, 
  Caroline, Kent MD, Queen Annes, and Talbot Counties.

* WHEN...From late Monday night through Tuesday morning.

* 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.

&&

$$

NJZ001-007>010-012-013-015>023-027-PAZ060>062-101>106-192000-
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Sussex-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 Bethlehem, Somerville, Moorestown, West
Chester, Jackson, Flemington, Mount Holly, Newton, Morristown,
Lansdale, Wharton State Forest, Oxford, Easton, Camden,
Collegeville, Pottstown, New Brunswick, Morrisville, Washington,
Freehold, Reading, Trenton, Norristown, Glassboro, Pennsville,
Perkasie, Allentown, Cape May Court House, Cherry Hill, Honey
Brook, Hammonton, Kennett Square, Millville, Chalfont, and
Doylestown
111 AM EDT Sun Apr 19 2026

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 26 possible.

* WHERE...Portions of central, northern, northwest, and southern New 
  Jersey and east central and southeast Pennsylvania.

* WHEN...From late Monday night through Tuesday morning.

* 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.

&&

$$

Johnson/Gorse
3 follow-up statements
168 
WWUS71 KPHI 191746
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
146 PM EDT Sun Apr 19 2026

NJZ001-200800-
/O.EXA.KPHI.FZ.W.0003.260420T0300Z-260420T1400Z/
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Sussex-
Including the cities of Newton
146 PM EDT Sun Apr 19 2026

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 10 AM EDT 
MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 
  31 expected. For the Freeze Watch, sub-freezing temperatures as 
  low as 21 possible.

* WHERE...Sussex County.

* WHEN...For the Freeze Warning, from 11 PM this evening to 10 AM 
  EDT Monday. For the Freeze Watch, from late Monday night through 
  Tuesday morning.

* 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.

&&

$$

PAZ054-055-200800-
/O.CON.KPHI.FZ.W.0003.260420T0300Z-260420T1400Z/
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
146 PM EDT Sun Apr 19 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM 
EDT MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 
  24 expected. For the Freeze Watch, sub-freezing temperatures as 
  low as 19 possible.

* WHERE...Carbon and Monroe Counties.

* WHEN...For the Freeze Warning, from 11 PM this evening to 10 AM 
  EDT Monday. For the Freeze Watch, from late Monday night through 
  Tuesday morning.

* 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-PAZ062-200800-
/O.NEW.KPHI.FR.Y.0002.260420T0600Z-260420T1200Z/
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Warren-Morris-Hunterdon-Somerset-Northampton-
Including the cities of Somerville, Easton, Washington,
Bethlehem, Morristown, and Flemington
146 PM EDT Sun Apr 19 2026

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 34 will 
  result in frost formation. For the Freeze Watch, sub-freezing 
  temperatures as low as 24 possible.

* WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon 
  Counties. In Pennsylvania, Northampton County.

* WHEN...For the Frost Advisory, from 2 AM to 8 AM EDT Monday. For 
  the Freeze Watch, from late Monday night through Tuesday morning.

* 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-PAZ070-071-200800-
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
New Castle-Delaware-Philadelphia-
Including the cities of Wilmington, Philadelphia, and Media
146 PM EDT Sun Apr 19 2026

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 27 possible.

* WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware 
  and Philadelphia Counties.

* WHEN...From late Monday night through Tuesday morning.

* 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-MDZ012-015-019-020-200800-
/O.CON.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/
Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Dover, Easton, Georgetown, Chestertown,
Denton, and Centreville
146 PM EDT Sun Apr 19 2026

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 29 possible.

* WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, 
  Caroline, Kent MD, Queen Annes, and Talbot Counties.

* WHEN...From late Monday night through Tuesday morning.

* 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>106-200800-
/O.CON.KPHI.FZ.A.0003.260421T0400Z-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 Morrisville, Pottstown, Oxford, Jackson,
Chalfont, Doylestown, Glassboro, Perkasie, Cape May Court House,
Reading, Millville, Honey Brook, West Chester, New Brunswick,
Freehold, Camden, Norristown, Kennett Square, Moorestown, Mount
Holly, Hammonton, Pennsville, Allentown, Cherry Hill,
Collegeville, Lansdale, Trenton, and Wharton State Forest
146 PM EDT Sun Apr 19 2026

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH 
TUESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 25 possible.

* WHERE...Portions of central, northern, and southern New Jersey and 
  east central and southeast Pennsylvania.

* WHEN...From late Monday night through Tuesday morning.

* 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.

&&

$$

Hoeflich
575 
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, Kent MD, 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
658 
WWUS71 KPHI 201417
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1017 AM EDT Mon Apr 20 2026

NJZ001-PAZ054-055-210400-
/O.EXP.KPHI.FZ.W.0003.000000T0000Z-260420T1400Z/
/O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/
Sussex-Carbon-Monroe-
Including the cities of Newton, Jim Thorpe, and Stroudsburg
1017 AM EDT Mon Apr 20 2026

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM 
EDT TUESDAY...
...FREEZE WARNING HAS EXPIRED...

* WHAT...Sub-freezing temperatures as low as 22 degrees expected.

* WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and 
  Monroe 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.

&&

$$

DEZ001-PAZ070-071-210400-
/O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/
New Castle-Delaware-Philadelphia-
Including the cities of Media, Wilmington, and Philadelphia
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 27 degrees 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-MDZ012-015-019-020-210400-
/O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/
Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Centreville, Easton, Georgetown,
Chestertown, Dover, and Denton
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 29 degrees expected.

* WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, 
  Caroline, Kent MD, 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.

&&

$$

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

...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.

&&

$$

DeSilva

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 1:46 PM EDTFrost AdvisoryPHINorthampton18 hr
Apr 19, 12:48 AM EDTGale WarningPHI16 hr
Apr 19, 4:37 PM EDTCoastal Flood AdvisoryPHIAtlantic, Cape May, Cumberland10 hr

Nearby

Freeze Warnings in Pennsylvania, 2026Freeze Warnings in New Jersey, 2026Every freeze warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.