Heat Advisory issued September 13 at 6:09AM CDT until September 13 at 7:00PM CDT by NWS Austin/San Antonio TX
Issue date: 2026-09-13T11:09+00:00
* WHAT...Heat index values up to 109 expected. * WHERE...The I-35 corridor and Coastal Plains. * WHEN...From noon today to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
