# Extreme Heat Warning: Dubuque; Jackson; Clinton; Jo Daviess; Stephenson; Carroll; Whiteside; Henry; Bureau; Putnam — retained record

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

Canonical: https://highsignal.app/data/records/399bd560c91b73cd

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-27 03:39 ingested 2026-07-27 09:50

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

## extract

Extreme Heat Warning — Dubuque; Jackson; Clinton; Jo Daviess; Stephenson; Carroll; Whiteside; Henry; Bureau; Putnam
Severity: Severe. Certainty: Likely.
* WHAT...For the Dense Fog Advisory, visibility as low as a quarter
mile at times in dense fog. For the Extreme Heat Warning, a
dangerous combination of oppressively hot and humid conditions with
heat index values between 105 to 115 expected.

* WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess,
Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and
Dubuque Counties.

* WHEN...For the Dense Fog Advisory, until 8 AM CDT this morning. For
the Extreme Heat Warning, until 10 PM CDT this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.
Heat related illnesses increase significantly during extreme heat
and high humidity events.

## 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The historical document was shared with another weather alert and cannot be attributed to this record.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.