# Heat Advisory: Winnebago; Boone; McHenry; Lake; Ogle; Lee; De Kalb; Kane; DuPage; Northern Cook; Central Cook — retained record

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

Canonical: https://highsignal.app/data/records/057a216b09818bd1

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-02 00:55 ingested 2026-09-02 06:27

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

## extract

Heat Advisory — Winnebago; Boone; McHenry; Lake; Ogle; Lee; De Kalb; Kane; DuPage; Northern Cook; Central Cook
Severity: Moderate. Certainty: Likely.
* WHAT...Heat index values of 100 to 105 expected.

* WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, Central Cook, DuPage,
Kane, Lake IL, McHenry, and Northern Cook Counties.

* WHEN...From noon today to 9 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

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The historical document was shared with another weather alert and cannot be attributed to this record.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