Alert archive / Pennsylvania / Extreme Cold Warnings in 2026

Extreme Cold Warning 2, NWS Philadelphia/Mount Holly

January 29, 2026Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this extreme cold warning at Jan 29, 2026, 12:56 PM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 22 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
Jan 29, 2026, 12:56 PM EST (17:56 UTC)
Expired
Jan 30, 2026, 11:00 AM EST
In force
22 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 17:57 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 12:00Z, 5.9 hours before the alert went out and 224 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 12:00Z on 2026-01-29Temperature 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 12:00Z on 2026-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.1939587897Sfc1 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
1180 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

553 
WWUS71 KPHI 291756
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1256 PM EST Thu Jan 29 2026

PAZ054-055-300900-
/O.UPG.KPHI.CW.Y.0003.000000T0000Z-260130T1500Z/
/O.NEW.KPHI.EC.W.0002.260129T1756Z-260130T1600Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1256 PM EST Thu Jan 29 2026

...EXTREME COLD WARNING IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Dangerously cold wind chills as low as 25 below.

* WHERE...Carbon and Monroe Counties.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...The dangerously cold wind chills as low as 25 below zero 
  could cause frostbite on exposed skin in as little as 30 minutes. 
  Frostbite and hypothermia will occur if unprotected skin is 
  exposed to these temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dress in layers including a hat, face mask, and gloves if you must 
go outside.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

DEZ001>004-MDZ012-015-019-020-NJZ009-010-012>027-PAZ070-071-101>106-
300900-
/O.EXT.KPHI.CW.Y.0003.000000T0000Z-260130T1600Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen
Annes-Talbot-Caroline-Hunterdon-Somerset-Middlesex-Western
Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-Delaware-Philadelphia-Western Chester-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Lower Bucks-
Including the cities of Kennett Square, Chestertown, Centreville,
Collegeville, Millville, Ocean City, Sandy Hook, Chalfont,
Pottstown, Easton, Georgetown, Denton, Wilmington, Moorestown,
Trenton, Lansdale, Doylestown, Hammonton, Morrisville, Wharton
State Forest, Long Beach Island, Norristown, Somerville, Cherry
Hill, Dover, Mount Holly, Oxford, Media, New Brunswick, Perkasie,
Philadelphia, Rehoboth Beach, Pennsville, Honey Brook, Camden,
West Chester, Freehold, Atlantic City, Jackson, Cape May Court
House, Flemington, and Glassboro
1256 PM EST Thu Jan 29 2026

...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Very cold wind chills as low as 10 below.

* WHERE...Portions of central, northern, and southern Delaware, 
  northeast Maryland, central, northern, northwest, and southern New 
  Jersey, and southeast Pennsylvania.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...The cold wind chills as low as 10 below zero could 
  result in hypothermia if precautions are not taken. Frostbite and 
  hypothermia will occur if unprotected skin is exposed to these 
  temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

NJZ001-007-008-PAZ060>062-300900-
/O.EXT.KPHI.CW.Y.0003.000000T0000Z-260130T1600Z/
Sussex-Warren-Morris-Berks-Lehigh-Northampton-
Including the cities of Washington, Bethlehem, Reading, Newton,
Allentown, Easton, and Morristown
1256 PM EST Thu Jan 29 2026

...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Very cold wind chills as low as 15 below.

* WHERE...In New Jersey, Morris, Sussex, and Warren Counties. In 
  Pennsylvania, Berks, Lehigh, and Northampton Counties.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...The cold wind chills as low as 15 below zero could 
  result in hypothermia or frostbite if precautions are not taken. 
  Frostbite and hypothermia will occur if unprotected skin is 
  exposed to these temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

DeSilva
2 follow-up statements
927 
WWUS71 KPHI 300528
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1228 AM EST Fri Jan 30 2026

PAZ054-055-301830-
/O.EXB.KPHI.CW.Y.0003.260130T1600Z-260131T1500Z/
/O.CON.KPHI.EC.W.0002.000000T0000Z-260130T1600Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
1228 AM EST Fri Jan 30 2026

...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS 
MORNING...
...COLD WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 10 AM 
EST SATURDAY...

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills 
  as low as 20 below. For the Cold Weather Advisory, very cold wind 
  chills as low as 15 below expected.

* WHERE...Carbon and Monroe Counties.

* WHEN...For the Extreme Cold Warning, until 11 AM EST this morning. 
  For the Cold Weather Advisory, from 11 AM this morning to 10 AM 
  EST Saturday.

* IMPACTS...The dangerously cold wind chills as low as 20 below zero 
  could cause frostbite on exposed skin in as little as 30 minutes. 
  Frostbite and hypothermia will occur if unprotected skin is 
  exposed to these temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dress in layers including a hat, face mask, and gloves if you must 
go outside.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ060>062-070-
071-101>106-301830-
/O.EXT.KPHI.CW.Y.0003.000000T0000Z-260131T1500Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen
Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-Western
Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Millville, Glassboro, Wharton State
Forest, Lansdale, West Chester, Easton, Allentown, Cherry Hill,
Atlantic City, Wilmington, Honey Brook, Dover, Media,
Centreville, Camden, Chestertown, Trenton, Sandy Hook, Pottstown,
Norristown, Long Beach Island, Hammonton, New Brunswick,
Collegeville, Perkasie, Rehoboth Beach, Reading, Philadelphia,
Denton, Jackson, Oxford, Georgetown, Chalfont, Cape May Court
House, Flemington, Pennsville, Ocean City, Moorestown,
Morristown, Doylestown, Kennett Square, Freehold, Mount Holly,
Bethlehem, Newton, Washington, Morrisville, and Somerville
1228 AM EST Fri Jan 30 2026

...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST SATURDAY...

* WHAT...Very cold wind chills as low as 10 below expected.

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

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...The cold wind chills as low as 10 below zero could 
  result in hypothermia if precautions are not taken. Frostbite and 
  hypothermia will occur if unprotected skin is exposed to these 
  temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

RCM
908 
WWUS71 KPHI 301601
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1101 AM EST Fri Jan 30 2026

PAZ054-055-310515-
/O.EXP.KPHI.EC.W.0002.000000T0000Z-260130T1600Z/
/O.CON.KPHI.CW.Y.0003.000000T0000Z-260131T1500Z/
Carbon-Monroe-
Including the cities of Stroudsburg and Jim Thorpe
1101 AM EST Fri Jan 30 2026

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST 
SATURDAY...
...EXTREME COLD WARNING HAS EXPIRED...

* WHAT...Very cold wind chills as low as 15 below.

* WHERE...Carbon and Monroe Counties.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...The cold wind chills as low as 15 below zero could 
  result in hypothermia if precautions are not taken. Frostbite and 
  hypothermia will occur if unprotected skin is exposed to these 
  temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

DEZ001>004-MDZ012-015-019-020-NJZ009-010-012>027-PAZ070-071-101>106-
310515-
/O.CON.KPHI.CW.Y.0003.000000T0000Z-260131T1500Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen
Annes-Talbot-Caroline-Hunterdon-Somerset-Middlesex-Western
Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-Delaware-Philadelphia-Western Chester-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Lower Bucks-
Including the cities of Wharton State Forest, Ocean City,
Centreville, Long Beach Island, Somerville, Freehold, Cherry
Hill, Perkasie, Cape May Court House, Pottstown, Chestertown,
Sandy Hook, Lansdale, Chalfont, Georgetown, Jackson,
Philadelphia, Glassboro, Oxford, Norristown, Moorestown,
Hammonton, Camden, Flemington, Millville, Dover, Denton, West
Chester, Easton, Mount Holly, Kennett Square, Rehoboth Beach,
Media, Wilmington, Trenton, Morrisville, New Brunswick,
Pennsville, Honey Brook, Collegeville, Doylestown, and Atlantic
City
1101 AM EST Fri Jan 30 2026

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST 
SATURDAY...

* WHAT...Very cold wind chills as low as 10 below.

* WHERE...Portions of central, northern, and southern Delaware, 
  northeast Maryland, central, northern, northwest, and southern New 
  Jersey, and southeast Pennsylvania.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...The cold wind chills as low as 10 below zero could 
  result in hypothermia if precautions are not taken. Frostbite and 
  hypothermia will occur if unprotected skin is exposed to these 
  temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

NJZ001-007-008-PAZ060>062-310515-
/O.CON.KPHI.CW.Y.0003.000000T0000Z-260131T1500Z/
Sussex-Warren-Morris-Berks-Lehigh-Northampton-
Including the cities of Morristown, Washington, Newton,
Bethlehem, Easton, Allentown, and Reading
1101 AM EST Fri Jan 30 2026

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST 
SATURDAY...

* WHAT...Very cold wind chills as low as 10 below.

* WHERE...In New Jersey, Morris, Sussex, and Warren Counties. In 
  Pennsylvania, Berks, Lehigh, and Northampton Counties.

* WHEN...Until 10 AM EST Saturday.

* IMPACTS...The cold wind chills as low as 15 below zero could 
  result in hypothermia if precautions are not taken. Frostbite and 
  hypothermia will occur if unprotected skin is exposed to these 
  temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure 
portable heaters are used correctly. Do not use generators or grills 
inside.

&&

$$

DeSilva

Nearby

Extreme Cold Warnings in Pennsylvania, 2026Every extreme cold 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.