Extreme Heat Warning: St. James; St. John The Baptist; Upper St. Bernard; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Jefferson; Upper St. Charles; Central St. Charles; Lower St. Charles; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson

source: us-gov-api (us-gov-api:noaa-weather)published 2026-08-18 00:35ingested 2026-08-18 06:42

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Extreme Heat Warning — St. James; St. John The Baptist; Upper St. Bernard; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Jefferson; Upper St. Charles; Central St. Charles; Lower St. Charles; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

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The historical document was shared with another weather alert and cannot be attributed to this record.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.