Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service State College PA
302 AM EDT Sat Jun 21 2025
PAZ036-056-057-059-063>066-220800-
/O.UPG.KCTP.XH.A.0001.250622T1500Z-250626T0000Z/
/O.NEW.KCTP.XH.W.0001.250622T1500Z-250626T0000Z/
Franklin-Perry-Dauphin-Lebanon-Cumberland-Adams-York-Lancaster-
Including the cities of Chambersburg, Lebanon, Newport,
Gettysburg, Lancaster, Harrisburg, Hershey, York, and Carlisle
302 AM EDT Sat Jun 21 2025
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM SUNDAY TO 8 PM EDT
WEDNESDAY FOR THE LOWER SUSQUEHANNA VALLEY...
* WHAT...Dangerously hot conditions with heat index values over 105
expected for the Lower Susquehanna Valley.
* WHERE...Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon,
Perry, and York Counties.
* WHEN...From 11 AM Sunday to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Heat index values and the associated risk of
heat-related impacts will be highest on Monday and Tuesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay out of the sun, and stay in an
air-conditioned room.
Check up on relatives and neighbors, and provide pets with adequate
water and shelter from the sun.
Extreme Heat can be life-threatening among at-risk populations, such
as children, the elderly, and those with pre-existing health
conditions.
In addition to the daytime heat, overnight low temperatures will
also be very warm and oppressively muggy.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pittsburgh PA
330 AM EDT Sat Jun 21 2025
PAZ014-020-021-029-073-075-211530-
/O.CON.KPBZ.XH.W.0001.250622T1500Z-250626T0000Z/
Butler-Beaver-Allegheny-Washington-Westmoreland-Fayette-
Including the cities of Butler, Pittsburgh Metro Area,
Murrysville, Latrobe, Lower Burrell, Beaver Falls, Monessen,
Uniontown, New Kensington, Monaca, Canonsburg, Washington,
Greensburg, Ambridge, and Aliquippa
330 AM EDT Sat Jun 21 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 8 PM
EDT WEDNESDAY...
* WHAT...Dangerously hot conditions with heat index values up to 104
expected.
* WHERE...Beaver, Fayette, Washington, Allegheny, Butler, and
Westmoreland Counties.
* WHEN...From 11 AM Sunday to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
206 AM EDT Sat Jun 21 2025
PAZ060>062-070-071-101>106-211915-
/O.UPG.KPHI.XH.A.0001.250622T1200Z-250626T0000Z/
/O.NEW.KPHI.XH.W.0001.250622T1200Z-250626T0000Z/
Berks-Lehigh-Northampton-Delaware-Philadelphia-Western Chester-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Lower Bucks-
Including the cities of Allentown, Reading, Pottstown, Chalfont,
Morrisville, Doylestown, Perkasie, Honey Brook, Philadelphia,
West Chester, Oxford, Kennett Square, Norristown, Easton, Media,
Collegeville, Lansdale, and Bethlehem
206 AM EDT Sat Jun 21 2025
...EXTREME HEAT WARNING IN EFFECT FROM 8 AM SUNDAY TO 8 PM EDT
WEDNESDAY...
* WHAT...Dangerously hot conditions with heat index values up to 108
expected.
* WHERE...Portions of east central and southeast Pennsylvania.
* WHEN...From 8 AM Sunday to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest temperatures and heat indices
will be Monday and Tuesday. Low temperatures near 75 to 80 degrees
will not offer much relief at night.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
206 AM EDT Sat Jun 21 2025
DEZ001-NJZ017>019-211915-
/O.UPG.KPHI.XH.A.0001.250622T1200Z-250626T0000Z/
/O.NEW.KPHI.XH.W.0001.250622T1200Z-250626T0000Z/
New Castle-Gloucester-Camden-Northwestern Burlington-
Including the cities of Glassboro, Moorestown, Cherry Hill, Mount
Holly, Camden, and Wilmington
206 AM EDT Sat Jun 21 2025
...EXTREME HEAT WARNING IN EFFECT FROM 8 AM SUNDAY TO 8 PM EDT
WEDNESDAY...
* WHAT...Dangerously hot conditions with heat index values up to 108
expected.
* WHERE...In Delaware, New Castle County. In New Jersey, Camden,
Gloucester, and Northwestern Burlington Counties.
* WHEN...From 8 AM Sunday to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest temperatures and heat indices
will be Monday and Tuesday. Low temperatures near 75 to 80 degrees
will not offer much relief at night.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
