# Extreme Heat Warning: New Castle; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/f1feb5abe4b7a478

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-04 03:57 ingested 2026-07-04 08:42

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Warning — New Castle; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions with maximum heat index values
between 105 and 110 degrees expected.

* WHERE...Portions of northern Delaware, central and southern New
Jersey, and southeast Pennsylvania.

* WHEN...Until 8 PM EDT this 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.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.