015  
FXUS64 KLCH 292327  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
627 PM CDT SUN JUN 29 2025  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
- A VERY MOIST AIR MASS WILL COMBINE WITH DAYTIME HEATING TO  
PRODUCE WIDESPREAD SPLASH AND DASH SHOWERS AND STORMS FOR THE  
REMAINDER OF THE AFTERNOON. SOME BRIEF TORRENTIAL DOWNPOURS AND  
CLOUD TO GROUND LIGHTNING WILL BE POSSIBLE WITH THE STORMS..  
 
 
- THE DEEPER SURGE OF GULF MOISTURE WILL MOVE AWAY WITH AN UPPER  
LEVEL RIDGE BUILDING IN PROVIDING HOT AND HUMID CONDITIONS WITH  
MAINLY ISOLATED TO WIDELY SCATTERED AFTERNOON SHOWERS AND STORMS  
WITH DAYTIME HEATING AND THE SEABREEZE.  
 
- TYPICAL SUMMERTIME WEATHER IS EXPECTED BY THE 4TH OF JULY  
WEEKEND WITH A RIDGE TO THE WEST AND TROUGH TO THE EAST TO  
PROVIDE A DAILY CHANCE OF AFTERNOON SHOWERS AND STORMS WITH HOT  
AND HUMID CONDITIONS.  
 
 
   
SHORT TERM  
 
(TONIGHT THROUGH TUESDAY NIGHT)  
ISSUED AT 1253 PM CDT SUN JUN 29 2025  
 
A SURGE OF DEEPER GULF MOISTURE WITH PWAT OVER 2 INCHES HAS MOVED  
INTO THE FORECAST AREA FOR THIS AFTERNOON. DAYTIME HEATING AND  
MESOSCALE BOUNDARIES LIKE THE SEA BREEZE WILL ALLOW FOR WIDESPREAD  
SHOWERS AND A FEW STORMS TO CONTINUE UNTIL SUNSET. BRIEF  
TORRENTIAL DOWNPOURS, CLOUD TO GROUND LIGHTNING, WIND GUSTS TO 30  
MPH WILL BE POSSIBLE WITH THE STORMS.  
 
ACTIVITY WILL DECREASE IN THE EARLY EVENING HOURS WITH FAIR BUT  
MUGGY CONDITIONS DURING THE NIGHT. SOME PATCHY FOG WILL BE  
POSSIBLE RIGHT AROUND SUNRISE MAINLY OVER GRASSY AREAS THAT  
RECEIVE RAINFALL.  
 
UPPER LEVEL RIDGING MOVES INTO THE FORECAST AREA FOR MONDAY AND  
TUESDAY AND THIS IS EXPECTED TO REDUCE THE AFTERNOON SHOWERS AND  
STORMS TO A MORE ISOLATED TO WIDELY SCATTERED VARIETY.  
 
TEMPERATURES WILL BE A LITTLE WARMER WITH LESS CONVECTION AND  
HUMID AS SOUTHERLY FLOW CONTINUES. EXPECTED AFTERNOON HEAT INDEX  
VALUES BETWEEN 102F AND 107F DEGREES AND JUST BELOW ADVISORY  
CRITERIA.  
 
RUA  
 
 
   
LONG TERM  
 
(WEDNESDAY THROUGH NEXT SATURDAY)  
ISSUED AT 1257 PM CDT SUN JUN 29 2025  
 
A FRONTAL SYSTEM FROM THE NORTH WILL STALL NORTH OF THE FORECAST  
AREA BY THURSDAY WITH THE BEST PUSH OF IT TO THE SOUTH EAST OF THE  
FORECAST AREA AND INTO THE SOUTHEAST US. A PATTERN OF THE TROUGH  
TO THE EAST AND AN UPPER LEVEL RIDGE LOOKS TO SET UP FOR THE END  
OF WEEK TOWARD THE HOLIDAY. THIS WILL LIKELY PROVIDE TYPICAL  
SUMMERTIME WEATHER WITH A DAILY CHANCE FOR AFTERNOON SCATTERED  
SHOWERS AND THUNDERSTORMS WITH HOT AND HUMID DAYS.  
 
NHC HAS OUTLINED AN AREA OVER THE EASTERN GULF ACROSS FLORIDA FOR  
A 20 PERCENT CHANCE OF DEVELOPMENT FOR THE END OF THE WEEK. EVEN  
IF THIS SYSTEM DEVELOPS IT WILL LIKELY REMAIN EAST OF THE FORECAST  
AREA NOT HAVE ANY IMPACTS FOR SOUTHEAST TEXAS OR SOUTHWEST  
LOUISIANA.  
 
RUA  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 622 PM CDT SUN JUN 29 2025  
 
OUTSIDE OF TERMINALS DIRECTLY IMPACTED BY A PASSING STORM, VFR  
CONDITIONS ONGOING AND EXPECTED TO PREVAIL FOR MOST OF THE  
FORECAST PERIOD. THERE IS THE POSSIBILITY FOR PATCHY FOG  
OVERNIGHT, HOWEVER OUTSIDE OF THE CENLA AREA, CONFIDENCE IN FOG IS  
LOW AT THE MOMENT. TOMORROW WE WILL SEE ANOTHER ROUND OF ISOLATED  
DIURNAL CONVECTION, HOWEVER PROBABLY LESS SO WITH A WEAK RIDGE  
EXPECTED TO MOVE OVERHEAD.  
 
 
   
MARINE  
 
ISSUED AT 1247 PM CDT SUN JUN 29 2025  
 
WEAK HIGH PRESSURE WILL BE NOTED OVER THE COASTAL WATERS THROUGH  
MID WEEK. THIS WILL PROVIDE MAINLY LIGHT ONSHORE WINDS AND  
RELATIVELY LOW SEAS. LOWER RAIN CHANCES ARE ALSO EXPECTED THROUGH  
MID WEEK AS WEAK HIGH PRESSURE WILL ALOFT WILL ALSO BE FOUND OVER  
THE COASTAL WATERS.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 1245 PM CDT SUN JUN 29 2025  
 
WIDESPREAD SHOWERS AND STORMS FOR THE REMAINDER OF THE AFTERNOON  
THEN DIMINISHING IN THE EARLY EVENING WITH THE LOSS OF DAYTIME  
HEATING. LOWER RAIN CHANCES EXPECTED ON MONDAY AND TUESDAY AS  
SOME UPPER LEVEL RIDGING MOVES IN. DESPITE THIS, SOUTHERLY FLOW IN  
THE LOW LEVEL WILL CONTINUE TO BRING IN HIGH HUMIDITY WITH MINIMUM  
RELATIVE HUMIDITY VALUES NEAR OR ABOVE 50 PERCENT FOR CENTRAL  
LOUISIANA AND UPPER SOUTHEAST TEXAS WITH NEAR OR ABOVE 60 PERCENT  
FOR THE I-10 CORRIDOR TO THE COAST.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
AEX 72 94 74 95 / 20 20 10 30  
LCH 77 92 76 93 / 10 20 0 20  
LFT 75 92 76 92 / 20 30 10 40  
BPT 76 92 75 93 / 10 20 0 10  
 
 
   
LCH WATCHES/WARNINGS/ADVISORIES  
 
LA...NONE.  
TX...NONE.  
GM...NONE.  
 
 
 
 
SHORT TERM...07  
LONG TERM....07  
AVIATION...87  
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