Weather Warnings for Louisiana

Issued by the National Weather Service

Current watches, warnings, and advisories for Louisiana
Alerts Updated: July 31, 2026, 9:34 pm  UTC


Heat Advisory issued July 31 at 4:33PM CDT until July 31 at 7:00PM CDT by NWS Jackson MS

Summary: * WHAT...Heat index values up to 107. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central and south Mississippi. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 31, 2026, 4:33 pm      Expires:  July 31, 2026, 7:00 pm
Area:  Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Leflore; Grenada; Carroll; Montgomery; Webster; Clay; Lowndes; Choctaw; Oktibbeha; Washington; Humphreys; Holmes; Attala; Winston; Noxubee; Issaquena; Sharkey; Yazoo; Madison; Leake; Neshoba; Kemper; Warren; Hinds; Rankin; Scott; Newton; Lauderdale; Claiborne; Copiah; Simpson; Smith; Jasper; Clarke; Jefferson; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Covington; Jones; Marion; Lamar; Forrest


Heat Advisory issued July 31 at 12:58AM CDT until July 31 at 8:00PM CDT by NWS Shreveport LA

Summary: * WHAT...Heat index values up to 108. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 31, 2026, 12:58 am      Expires:  July 31, 2026, 8:00 pm
Area:  Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine


Heat Advisory issued July 31 at 12:20AM CDT until July 31 at 7:00PM CDT by NWS New Orleans LA

Summary: * WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 31, 2026, 12:20 am      Expires:  July 31, 2026, 2:30 pm
Area:  Assumption; St. James; St. John The Baptist; Upper St. Bernard; Lower 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; Central Plaquemines; Lower Plaquemines; Central Jefferson; Coastal Jefferson; Upper Lafourche; Lower Lafourche; Upper Terrebonne; Lower Terrebonne; Upper St. Charles; Central St. Charles; Lower St. Charles; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson