Heat Advisory: Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Gregory; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme; Yankton

source: us-gov-api (us-gov-api:noaa-weather)published 2026-07-20 00:56ingested 2026-07-20 08:55

extract

Heat Advisory — Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Gregory; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme; Yankton Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 104 expected. * WHERE...Portions of northwest Iowa and south central and southeast South Dakota. * WHEN...From noon today to 8 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The historical document was shared with another weather alert and cannot be attributed to this record.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.