080 WWUS71 KPHI 290646 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 246 AM EDT Mon Jun 29 2026 NJZ021>023-292015- /O.EXT.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/ Cumberland-Atlantic-Cape May- Including the cities of Millville, Cape May Court House, and Hammonton 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible during the daytime hours. * 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. && $$ NJZ024>026-292015- /O.EXT.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/ Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Including the cities of Long Beach Island, Atlantic City, and Ocean City 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 105 degrees possible during the daytime hours. * WHERE...Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ DEZ001-NJZ015>019-PAZ070-071-102-104-106-292015- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ New Castle-Mercer-Salem-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Glassboro, Doylestown, Mount Holly, West Chester, Norristown, Pennsville, Cherry Hill, Moorestown, Wilmington, Morrisville, Trenton, Media, Philadelphia, Lansdale, Camden, and Kennett Square 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible during the daytime hours. * WHERE...Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania. * WHEN...From Wednesday 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. 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. && $$ NJZ001-007>009-PAZ060>062-101-103-105-292015- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ Sussex-Warren-Morris-Hunterdon-Berks-Lehigh-Northampton-Western Chester-Western Montgomery-Upper Bucks- Including the cities of Morristown, Honey Brook, Reading, Perkasie, Pottstown, Washington, Allentown, Flemington, Chalfont, Oxford, Easton, Bethlehem, Collegeville, and Newton 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 108 degrees possible during the daytime hours. * WHERE...In New Jersey, Morris, Sussex, Warren, and Hunterdon Counties. In Pennsylvania, Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ NJZ010-012>014-020-027-292015- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Ocean- Southeastern Burlington- Including the cities of Freehold, Sandy Hook, Wharton State Forest, Somerville, New Brunswick, and Jackson 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible during the daytime hours. * WHERE...Eastern Monmouth, Western Monmouth, Middlesex, Somerset, Ocean, and Southeastern Burlington Counties. * WHEN...From Wednesday 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. && $$ PAZ054-055-292015- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ Carbon-Monroe- Including the cities of Stroudsburg and Jim Thorpe 246 AM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 105 degrees possible at lower elevations during the daytime hours. Heat indices up to 100 degrees possible across the Pocono Plateau. * WHERE...Carbon and Monroe Counties. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer much relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ Staarmann