Alert archive / Louisiana / Flash Flood Warnings / 2026

Flash Flood Warnings in Louisiana, May 2026

38 flash flood warnings in May 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in May 2026. Tap one for its archive.

Flash Flood Warnings
38
Busiest day
May 23, 20267 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
May 1, 3:20 PM CDTFlash Flood WarningLIXJefferson, Saint Charles, Saint John the Baptist2 hr
May 6, 3:43 PM CDTFlash Flood WarningLCHRapides4 hr
May 6, 7:56 PM CDTFlash Flood WarningLCHAvoyelles, Rapides, Vernon2 hr
May 8, 8:56 AM CDTFlash Flood WarningLCHAvoyelles, Evangeline, Rapides, Vernon3 hr
May 8, 12:01 PM CDTFlash Flood WarningLCHAcadia, Allen, Evangeline, Jefferson Davis, Lafayette, Saint Landry3 hr
May 8, 12:19 PM CDTFlash Flood WarningLIXAscension, East Baton Rouge, Iberville, Livingston, Tangipahoa, West Baton Rouge4 hr
May 8, 12:47 PM CDTFlash Flood WarningLIXIberville, Pointe Coupee, West Baton Rouge3 hr
May 8, 1:54 PM CDTFlash Flood WarningLIXSaint Tammany, Tangipahoa, Washington2 hr
May 8, 3:20 PM CDTFlash Flood WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles109 min
May 9, 8:13 AM CDTFlash Flood WarningLIXAscension, East Baton Rouge, Iberville, Livingston, West Baton Rouge2 hr
May 9, 9:46 AM CDTFlash Flood WarningLCHIberia, Lafayette, Saint Martin, Vermilion7 hr
May 9, 11:43 AM CDTFlash Flood WarningLCHIberia, Saint Martin, St. Mary, Vermilion4 hr
May 9, 11:49 AM CDTFlash Flood WarningLIXJefferson, Orleans2 hr
May 9, 12:11 PM CDTFlash Flood WarningLIXAssumption, Lafourche, Terrebonne3 hr
May 9, 1:08 PM CDTFlash Flood WarningLCHLafayette, Saint Martin, Vermilion4 hr
May 10, 5:50 PM CDTFlash Flood WarningLCHLafayette, Saint Martin3 hr
May 10, 7:01 PM CDTFlash Flood WarningSHVBienville, Jackson, Natchitoches, Winn3 hr
May 10, 7:15 PM CDTFlash Flood WarningLCHAcadia, Lafayette2 hr
May 11, 6:02 PM CDTFlash Flood WarningLIXAscension, East Baton Rouge, Iberville, Livingston, Tangipahoa, West Baton Rouge3 hr
May 11, 9:35 PM CDTFlash Flood WarningLIXSaint Charles, Saint John the Baptist70 min
May 19, 4:30 PM CDTFlash Flood WarningSHVBossier, Caddo3 hr
May 20, 6:29 PM CDTFlash Flood WarningLCHIberia, Saint Martin, St. Mary3 hr
May 21, 6:47 PM CDTFlash Flood WarningSHVWinn3 hr
May 21, 6:56 PM CDTFlash Flood WarningJANFranklin, Madison, Tensas3 hr
May 22, 7:59 PM CDTFlash Flood WarningLCHIberia, Saint Landry, Saint Martin, St. Mary3 hr
May 22, 8:39 PM CDTFlash Flood WarningSHVOuachita3 hr
May 22, 9:49 PM CDTFlash Flood WarningJANEast Carroll, Franklin, Madison, Richland, West Carroll3 hr
May 23, 1:27 AM CDTFlash Flood WarningJANFranklin, Madison, Morehouse, Richland5 hr
May 23, 9:33 AM CDTFlash Flood WarningLCHIberia, Saint Martin, St. Mary3 hr
May 23, 10:13 AM CDTFlash Flood WarningSHVNatchitoches, Sabine3 hr
May 23, 10:42 AM CDTFlash Flood WarningLCHBeauregard, Vernon3 hr
May 24, 2:46 AM CDTFlash Flood WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard105 min
May 25, 9:28 AM CDTFlash Flood WarningLIXJefferson, Orleans, Saint Bernard3 hr
May 28, 7:38 AM CDTFlash Flood WarningLCHRapides112 min
May 28, 11:26 AM CDTFlash Flood WarningLIXOrleans, Saint Bernard82 min
May 28, 12:27 PM CDTFlash Flood WarningSHVOuachita, Union94 min
May 28, 3:38 PM CDTFlash Flood WarningJANEast Carroll, Morehouse, West Carroll3 hr
May 31, 5:17 PM CDTFlash Flood WarningLIXJefferson, Saint Charles73 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

8 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.