Heat Advisory issued August 18 at 8:39PM CDT until August 19 at 8:00PM CDT by NWS New Orleans LA
Issue date: 2026-08-19T01:39+00:00
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued August 18 at 4:05PM CDT until August 19 at 8:00PM CDT by NWS New Orleans LA
Issue date: 2026-08-18T21:05+00:00
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111. For the Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
