Chalmette Realtime Data

× Heat Advisory
Until 2026-07-27T05:00:00-05:00 • National Weather Service
* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM to 8 PM CDT. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.