Alert archive / Louisiana / Flash Flood Warnings in 2026
Flash Flood Warning 22, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Jun 15, 2026, 3:17 AM CDT for Lafayette Parish, Saint Landry Parish, Saint Martin Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 15, 2026, 3:17 AM CDT (08:17 UTC)
- Expired
- Jun 15, 2026, 6:07 AM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA
The radar
The Hammond radar (KHDC), 129 km from the middle of the area, began a volume at 08:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.3 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1692 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
497
WGUS54 KLCH 150817
FFWLCH
LAC055-097-099-151115-
/O.NEW.KLCH.FF.W.0022.260615T0817Z-260615T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
317 AM CDT Mon Jun 15 2026
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Southeastern St. Landry Parish in central Louisiana...
Northeastern Lafayette Parish in south central Louisiana...
Northwestern St. Martin Parish in south central Louisiana...
* Until 615 AM CDT.
* At 317 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 1 to 2.5 inches in 1
hour. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Lafayette, Breaux Bridge, Carencro, Krotz Springs, Arnaudville,
Henderson, Cecilia, Atchafalaya Welcome Center, Atchafalaya
National Wildlife Refuge, Butte La Rose and Parks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3039 9202 3052 9187 3054 9175 3051 9173
3051 9175 3050 9176 3050 9170 3048 9169
3047 9167 3044 9164 3039 9163 3038 9163
3037 9164 3037 9165 3035 9163 3033 9163
3032 9162 3018 9175 3022 9190 3024 9204
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2.5 INCHES IN 1 HOUR
$$
MC1 follow-up statement
840
WGUS74 KLCH 151107
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
607 AM CDT Mon Jun 15 2026
LAC055-097-099-151117-
/O.CAN.KLCH.FF.W.0022.000000T0000Z-260615T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lafayette LA-St. Landry LA-St. Martin LA-
607 AM CDT Mon Jun 15 2026
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN ST. LANDRY,
NORTHEASTERN LAFAYETTE AND NORTHWESTERN ST. MARTIN PARISHES...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flood Watch remains in effect until 700 AM CDT Wednesday for
portions of Louisiana and southeast Texas.
&&
LAT...LON 3039 9202 3052 9187 3054 9175 3051 9173
3051 9175 3050 9176 3050 9170 3048 9169
3047 9167 3044 9164 3039 9163 3038 9163
3037 9164 3037 9165 3035 9163 3033 9163
3032 9162 3018 9175 3022 9190 3024 9204
$$
MCWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Jun 15, 12:47 AM CDT, 2 hours 30 minutes earlier. Its key messages:
- A flood watch is in effect for a large portion of the area through Wednesday morning.
- A weak frontal boundary will combine with deep tropical moisture to increase precipitation chances through Tuesday. These storms will be capable of high rainfall rates that could pose a flood risk.
- Another round of heavier rain will be possible during the second half of the week in association with low pressure moving northeast along the Texas and Louisiana coast.
- High temperatures during the first half of the work week may be slightly below normal due to higher than normal rain chances and cloud cover.
Area forecast discussion, Jun 15, 12:47 AM CDT, 2 hours 30 minutes before
Area Forecast Discussion
National Weather Service Lake Charles LA
1247 AM CDT Mon Jun 15 2026
...New DISCUSSION, AVIATION, MARINE, FIRE WEATHER...
.KEY MESSAGES...
- A flood watch is in effect for a large portion of the area
through Wednesday morning.
- A weak frontal boundary will combine with deep tropical moisture
to increase precipitation chances through Tuesday. These storms
will be capable of high rainfall rates that could pose a flood
risk.
- Another round of heavier rain will be possible during the second
half of the week in association with low pressure moving
northeast along the Texas and Louisiana coast.
- High temperatures during the first half of the work week may be
slightly below normal due to higher than normal rain chances
and cloud cover.
&&
.DISCUSSION...
(Tonight through next Sunday)
Issued at 1151 PM CDT Sun Jun 14 2026
A weak frontal boundary is across central Texas and northern LA
this morning. A very soupy air mass is along and ahead of the
boundary with PWAT values near daily record highs along the Texas
coastal bend into much of LA.
The boundary will stall across the region through the next few
days while deep moisture remains in place. Multiple rounds of rain
can be anticipated through mid week. Thunderstorms that do
develop will be capable of producing very high rain rates while
moving slowly. A flood watch has been issued for rainfall totals
of 2 to 5 inches in the watch area with isolated locations
receiving between 6 and 10 inches. A few locations have already
received around 6 inches over the past 18ish hours, but
accumulations have been spotty. Rain will likely be more
widespread today and Tuesday.
A very small lull in convection may occur during mid week, however
additional heavy rain will be possible late week. A weak area of
low pressure is over northeast Mexico and will travel northeast
along the coast through Thursday. There is a slim chance that
the system attempts to organize somewhat before reaching SE TX or
SW LA IF it manages to move slightly offshore, but regardless of
development, a slug of deep tropical moisture will move across the
local area potentially interacting with the stalled and diffuse
frontal boundary. Rainfall totals will be highly dependent on the
evolution and path of this system. Strong onshore winds are
expected as the system passes and this may drive tides around 2
feet above normal.
This weekend another front may drift into the region keeping the
weather somewhat unsettled. No chance of real cooling though,
that is still months away.
&&
.AVIATION...
(06Z TAFS)
Issued at 1151 PM CDT Sun Jun 14 2026
Rain, thunderstorms, and low ceilings are anticipated during the
period. LIFR vis will be possible in any storm. Slow moving storms
may keep vis and ceilings reduced for multiple hours at a time.
However, winds will be light and generally south to southwest.
&&
.MARINE...
Issued at 1151 PM CDT Sun Jun 14 2026
A light onshore flow will remain in place through Tuesday, however
an area of low pressure will ride northeast along the Texas coast
through mid to late week. SCA conditions are forecast to occur
Wednesday into early Friday.
&&
.FIRE WEATHER...
Issued at 1151 PM CDT Sun Jun 14 2026
Widespread rain is expected this week. No fire weather concerns
are anticipated.
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...Flood Watch from 7 AM CDT Monday through Wednesday morning for
LAZ027>033-044-045-141>143-241>243.
TX...Flood Watch from 7 AM CDT Monday through Wednesday morning for
TXZ180-201-259>262-515-516-615-616.
GM...None.
&&
PUBLIC/FIRE/MARINE...05
AVIATION...05In the hours before
Local storm report, Jun 15, 1:29 AM CDT, 1 hour 48 minutes before
Preliminary Local Storm Report
National Weather Service Lake Charles LA
129 AM CDT Mon Jun 15 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0742 PM Flash Flood 4 S Topsy 30.35N 93.13W
06/14/2026 Calcasieu LA Mesonet
Local mesonet site indicates Blackmon Bayou
left its banks and inundated Deer Run Road.
&&The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 7:33 PM CDT | Flash Flood Warning | LCH | Calcasieu | 3 hr |
| Jun 14, 9:07 PM CDT | Flood Watch | LCH | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 10 more | 4 days |
| Jun 15, 2:17 AM CDT | Flash Flood Warning | LCH | Iberia, Saint Martin, St. Mary | 4 hr |
| Jun 15, 4:39 AM CDT | Special Weather Statement | LCH | Avoyelles, Evangeline, Saint Landry | 36 min |
| Jun 15, 5:11 AM CDT | Flash Flood Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 3 hr |
| Jun 15, 7:55 AM CDT | Flash Flood Warning | LCH | Avoyelles, Evangeline, Rapides | 3 hr |
| Jun 15, 3:21 PM CDT | Flash Flood Warning | LCH | Avoyelles, Evangeline, Rapides | 4 hr |
| Jun 15, 3:23 PM CDT | River Flood Warning | LCH | Vernon | 38 hr |
Nearby
Flash Flood Warnings in Louisiana, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.