# Heat Advisory: Knox; Stark; Peoria; Fulton; Tazewell; Schuyler; Mason; Logan; De Witt; Piatt; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence — retained record

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

Canonical: https://highsignal.app/data/records/34b3173c331ce7c7

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-31 21:30 ingested 2026-09-01 02:46

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

## extract

Heat Advisory — Knox; Stark; Peoria; Fulton; Tazewell; Schuyler; Mason; Logan; De Witt; Piatt; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Severity: Moderate. Certainty: Likely.
* WHAT...Daytime heat index values up to 105, only falling into the
mid to upper 70s at night.

* WHERE...Much of central, east central, southeast, and west central
Illinois.

* WHEN...Until 7 PM CDT Thursday.

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The historical document was shared with another weather alert and cannot be attributed to this record.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