Chalmette Realtime Data

× Extreme Heat Warning
Until 2026-08-16T13:00:00-05:00 • National Weather Service
* WHAT...For the Extreme Heat Warning Sunday and the Extreme Heat Watch Monday, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Extreme Heat Warning, from 11 AM to 8 PM CDT Sunday. For the Extreme Heat Watch, from Monday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.