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New Castle, DE Severe Weather Alertstar_ratehome

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Location: New Castle, DE
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Extreme Heat Warning
Issued: 6:44 AM Jun. 30, 2026 – National Weather Service
...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.

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