Public Safety Alerts

See official public safety alerts, emergency alerts, presidential alerts and weather warnings for every U.S. location.
Search all public safety alerts, or filter by severity or county.

Public Safety Alerts

Louisiana, Mississippi Severe Extreme Heat Warning | Effective 07/27/2026 23:08

Extreme Heat Warning issued July 28 at 1:08AM CDT until July 28 at 8:00PM CDT by NWS New Orleans LA

Event: Extreme Heat Warning

Desc: * 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.

Areas: St. James Parish LA, St. John the Baptist Parish LA, St. Bernard Parish LA, St. Tammany Parish LA, Orleans Parish LA, Tangipahoa Parish LA, Livingston Parish LA, Ascension Parish LA, Jefferson Parish LA, Plaquemines Parish LA, St. Charles Parish LA, Hancock County MS, Harrison County MS, Jackson County MS

Severity: Severe

Urgency: Expected

Effective: Monday, July 27, 2026 - 23:08

Expires: Tuesday, July 28, 2026 - 13:15

Sender: w-nws.webmaster@noaa.gov

Filter by Severity

(-) Remove Severe filter Severe

Filter by urgency:

(-) Remove Expected filter Expected

View by Area

(-) Remove US filter US
- (-) Remove Louisiana filter Louisiana
- Mississippi (1) Apply Mississippi filter

Public Safety Alerts