914 WWUS71 KPHI 291810 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 210 PM EDT Mon Jun 29 2026 DEZ002>004-MDZ012-015-019-020-301000- /O.EXA.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/ Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot- Caroline- Including the cities of Georgetown, Centreville, Denton, Chestertown, Easton, Dover, and Rehoboth Beach 210 PM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 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. 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. && $$ DEZ001-NJZ015>019-PAZ070-071-102-104-106-301000- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ New Castle-Mercer-Salem-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Norristown, Philadelphia, Kennett Square, Glassboro, West Chester, Camden, Media, Lansdale, Pennsville, Doylestown, Mount Holly, Morrisville, Moorestown, Trenton, Wilmington, and Cherry Hill 210 PM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat. && $$ NJZ001-007>009-PAZ060>062-101-103-105-301000- /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 Honey Brook, Newton, Collegeville, Pottstown, Chalfont, Bethlehem, Perkasie, Morristown, Flemington, Allentown, Easton, Washington, Reading, and Oxford 210 PM 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 possible. * 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. 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. && $$ NJZ010-012>014-020-027-301000- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Ocean- Southeastern Burlington- Including the cities of New Brunswick, Somerville, Wharton State Forest, Sandy Hook, Freehold, and Jackson 210 PM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Eastern Monmouth, Western Monmouth, Middlesex, Somerset, Ocean, and Southeastern Burlington Counties. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ PAZ054-055-301000- /O.CON.KPHI.XH.A.0001.260701T1600Z-260705T0000Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 210 PM 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 possible. * 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. 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. && $$ NJZ021>023-301000- /O.CON.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/ Cumberland-Atlantic-Cape May- Including the cities of Millville, Cape May Court House, and Hammonton 210 PM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Atlantic, Cape May, and Cumberland Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ NJZ024>026-301000- /O.CON.KPHI.XH.A.0001.260702T1600Z-260705T0000Z/ Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Including the cities of Long Beach Island, Ocean City, and Atlantic City 210 PM EDT Mon Jun 29 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 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. 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. && $$ RCM