New Orleans, Louisiana
Regional Weather Alerts
| Alert: | Dense Fog Advisory |
| Area(s): | Assumption; Upper Lafourche; Upper Terrebonne; Lower Jefferson; Central Plaquemines |
| Effective: | 2025-11-19 @ 8:27 pm -> 2025-11-20 @ 9:00 am |
| Onset: | 2025-11-19 @ 11:00 pm -> 2025-11-20 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS New Orleans LA on 2025-11-19 @ 8:27 pm |
| Headline: | Dense Fog Advisory issued November 19 at 8:27PM CST until November 20 at 9:00AM CST by NWS New Orleans LA |
| Description: |
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Assumption, Central Plaquemines, Lower Jefferson, Upper Lafourche, and Upper Terrebonne Parishes. * WHEN...Until 9 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. |
| Alert: | Dense Fog Advisory |
| Area(s): | East Feliciana; St. Helena; Washington; East Baton Rouge; St. James; St. John The Baptist; St. Charles; Upper St. Bernard; Lower St. Bernard; Northern Tangipahoa; 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; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson |
| Effective: | 2025-11-19 @ 8:27 pm -> 2025-11-20 @ 9:00 am |
| Onset: | 2025-11-19 @ 11:00 pm -> 2025-11-20 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS New Orleans LA on 2025-11-19 @ 8:27 pm |
| Headline: | Dense Fog Advisory issued November 19 at 8:27PM CST until November 20 at 9:00AM CST by NWS New Orleans LA |
| Description: |
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...All of coastal Mississippi, portions of southwest Mississippi, and portions of southeast Louisiana. * WHEN...Until 9 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. |
| Alert: | Dense Fog Advisory |
| Area(s): | Lafayette; Lower St. Martin; West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange |
| Effective: | 2025-11-19 @ 12:20 pm -> 2025-11-20 @ 8:00 am |
| Onset: | 2025-11-20 @ 12:00 am -> 2025-11-20 @ 8:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Lake Charles LA on 2025-11-19 @ 12:20 pm |
| Headline: | Dense Fog Advisory issued November 19 at 12:20PM CST until November 20 at 8:00AM CST by NWS Lake Charles LA |
| Description: |
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of south central and southwest Louisiana and southeast Texas. * WHEN...From midnight tonight to 8 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. |