# Heat Advisory: Boone; McHenry; Kane; Kendall — retained record

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

Canonical: https://highsignal.app/data/records/0a7d2815c00fd68e

[← 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 03:02 ingested 2026-07-27 09:50

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

## extract

Heat Advisory — Boone; McHenry; Kane; Kendall
Severity: Moderate. Certainty: Likely.
* WHAT...For the Heat Advisory, peak heat index values up to 100 to
110 degrees expected. For the Dense Fog Advisory, visibility less
than one quarter mile in dense fog.

* WHERE...Boone, Kane, Kendall, and McHenry Counties.

* WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the
Dense Fog Advisory, until 8 AM CDT this morning.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses. Low visibility could make driving conditions hazardous.

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The historical document was shared with another weather alert and cannot be attributed to this record.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