474
WWUS71 KPHI 300644
NPWPHI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
244 AM EDT TUE JUN 30 2026
DEZ001-NJZ015>019-PAZ070-071-102-104-106-302000-
/O.UPG.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/
/O.NEW.KPHI.XH.W.0001.260701T1600Z-260705T0000Z/
NEW CASTLE-MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER
BUCKS-
INCLUDING THE CITIES OF PHILADELPHIA, LANSDALE, TRENTON,
GLASSBORO, WILMINGTON, DOYLESTOWN, MORRISVILLE, CHERRY HILL, WEST
CHESTER, KENNETT SQUARE, MOUNT HOLLY, NORRISTOWN, MOORESTOWN,
PENNSVILLE, MEDIA, AND CAMDEN
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES BETWEEN
100 AND 110 DEGREES EXPECTED EACH DAY.
* WHERE...PORTIONS OF NORTHERN DELAWARE, CENTRAL AND SOUTHERN NEW
JERSEY, AND SOUTHEAST PENNSYLVANIA.
* WHEN...FROM NOON WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE MID 70S TO
LOW 80S AT NIGHT WILL NOT OFFER ANY RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY. THE
HOTTEST CONDITIONS ARE EXPECTED TO OCCUR THURSDAY THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
IF YOU DO NOT HAVE AIR CONDITIONING IN YOUR HOME OR LACK SHELTER,
YOU CAN CALL 211 OR VISIT YOUR COUNTY OR STATE HEALTH DEPARTMENT
WEBSITE FOR ASSISTANCE LOCATING APPROPRIATE SHELTER FROM THE HEAT.
NJZ001-007>009-PAZ060>062-101-103-105-302000-
/O.UPG.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/
/O.NEW.KPHI.XH.W.0001.260701T1600Z-260705T0000Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-BERKS-LEHIGH-NORTHAMPTON-WESTERN
CHESTER-WESTERN MONTGOMERY-UPPER BUCKS-
INCLUDING THE CITIES OF BETHLEHEM, FLEMINGTON, ALLENTOWN, HONEY
BROOK, COLLEGEVILLE, WASHINGTON, POTTSTOWN, NEWTON, MORRISTOWN,
EASTON, READING, CHALFONT, PERKASIE, AND OXFORD
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES BETWEEN
100 AND 110 DEGREES EXPECTED EACH DAY.
* WHERE...IN NEW JERSEY, MORRIS, SUSSEX, WARREN, AND HUNTERDON
COUNTIES. IN PENNSYLVANIA, BERKS, LEHIGH, NORTHAMPTON, UPPER
BUCKS, WESTERN CHESTER, AND WESTERN MONTGOMERY COUNTIES.
* WHEN...FROM NOON WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE LOW TO MID
70S AT NIGHT WILL NOT OFFER ANY RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY. THE
HOTTEST CONDITIONS ARE EXPECTED TO OCCUR THURSDAY THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
IF YOU DO NOT HAVE AIR CONDITIONING IN YOUR HOME OR LACK SHELTER,
YOU CAN CALL 211 OR VISIT YOUR COUNTY OR STATE HEALTH DEPARTMENT
WEBSITE FOR ASSISTANCE LOCATING APPROPRIATE SHELTER FROM THE HEAT.
NJZ010-012>014-020-027-302000-
/O.UPG.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/
/O.NEW.KPHI.XH.W.0001.260701T1600Z-260705T0000Z/
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF SANDY HOOK, SOMERVILLE, FREEHOLD, WHARTON
STATE FOREST, NEW BRUNSWICK, AND JACKSON
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES BETWEEN
100 AND 110 DEGREES EXPECTED EACH DAY.
* WHERE...EASTERN MONMOUTH, WESTERN MONMOUTH, MIDDLESEX, SOMERSET,
OCEAN, AND SOUTHEASTERN BURLINGTON COUNTIES.
* WHEN...FROM NOON WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE MID 70S TO
LOW 80S AT NIGHT WILL NOT OFFER ANY RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY. THE
HOTTEST CONDITIONS ARE EXPECTED TO OCCUR THURSDAY THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
IF YOU DO NOT HAVE AIR CONDITIONING IN YOUR HOME OR LACK SHELTER,
YOU CAN CALL 211 OR VISIT YOUR COUNTY OR STATE HEALTH DEPARTMENT
WEBSITE FOR ASSISTANCE LOCATING APPROPRIATE SHELTER FROM THE HEAT.
PAZ054-055-302000-
/O.UPG.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/
/O.NEW.KPHI.XH.W.0001.260701T1600Z-260705T0000Z/
CARBON-MONROE-
INCLUDING THE CITIES OF STROUDSBURG AND JIM THORPE
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES BETWEEN
100 AND 108 DEGREES EXPECTED AT LOWER ELEVATIONS EACH DAY. HEAT
INDEX VALUES UP TO 100 DEGREES EXPECTED ACROSS THE POCONO PLATEAU.
* WHERE...CARBON AND MONROE COUNTIES.
* WHEN...FROM NOON WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE LOW TO MID
70S AT NIGHT WILL NOT OFFER MUCH RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY. THE
HOTTEST CONDITIONS ARE EXPECTED TO OCCUR THURSDAY THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
IF YOU DO NOT HAVE AIR CONDITIONING IN YOUR HOME OR LACK SHELTER,
YOU CAN CALL 211 OR VISIT YOUR COUNTY OR STATE HEALTH DEPARTMENT
WEBSITE FOR ASSISTANCE LOCATING APPROPRIATE SHELTER FROM THE HEAT.
DEZ002>004-MDZ012-015-019-020-302000-
/O.CON.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-
INCLUDING THE CITIES OF DOVER, CENTREVILLE, GEORGETOWN, EASTON,
CHESTERTOWN, DENTON, AND REHOBOTH BEACH
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 110
DEGREES POSSIBLE.
* WHERE...IN DELAWARE, KENT, DELAWARE BEACHES, AND INLAND SUSSEX
COUNTIES. IN MARYLAND, CAROLINE, KENT MD, QUEEN ANNES, AND TALBOT
COUNTIES.
* WHEN...FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE MID TO
UPPER 70S AT NIGHT WILL NOT OFFER MUCH RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
NJZ021>023-302000-
/O.CON.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/
CUMBERLAND-ATLANTIC-CAPE MAY-
INCLUDING THE CITIES OF HAMMONTON, MILLVILLE, AND CAPE MAY COURT
HOUSE
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 110
DEGREES POSSIBLE.
* WHERE...ATLANTIC, CAPE MAY, AND CUMBERLAND COUNTIES.
* WHEN...FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE MID 70S TO
LOW 80S AT NIGHT WILL NOT OFFER ANY RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
NJZ024>026-302000-
/O.CON.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
INCLUDING THE CITIES OF ATLANTIC CITY, LONG BEACH ISLAND, AND
OCEAN CITY
244 AM EDT TUE JUN 30 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 105
DEGREES POSSIBLE.
* WHERE...ATLANTIC COASTAL CAPE MAY, COASTAL ATLANTIC, AND COASTAL
OCEAN COUNTIES.
* WHEN...FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...VERY WARM LOW TEMPERATURES IN THE LOW TO MID
70S AT NIGHT WILL NOT OFFER ANY RELIEF FROM THE HEAT. THIS
COMBINED WITH MULTIPLE DAYS OF NEAR RECORD BREAKING TEMPERATURES
WILL EXACERBATE THE IMPACTS FROM THE HEAT AND HUMIDITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
STAARMANN
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