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

source: us-gov-api (us-gov-api:noaa-weather)published 2026-09-02 00:55ingested 2026-09-02 06:27

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The historical document was shared with another weather alert and cannot be attributed to this record.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