127  
FXUS64 KLCH 030527  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1227 AM CDT MON AUG 3 2026  
   
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER
 
 
   
KEY MESSAGES
 
 
- DEWPOINTS WILL BEGIN TO RISE THROUGH THE WORK WEEK, WHILE BOTH  
HIGH AND LOW TEMPERATURES ARE FORECAST TO REMAIN AT OR SLIGHTLY  
ABOVE AVERAGE.  
 
-ISOLATED DIURNALLY DRIVEN AFTERNOON THUNDERSTORMS WILL BE  
POSSIBLE EACH DAY THROUGH THE WORK WEEK, WITH RAIN CHANCES IN THE  
15 TO 30% RANGE.  
 

 
   
DISCUSSION
 
 
(TODAY THROUGH SUNDAY)  
ISSUED AT 1217 AM CDT MON AUG 3 2026  
 
AS MENTIONED IN THE AFD A MERE 24H AGO, THE RELATIVELY SHORT LIVED  
NORTHERLY FLOW WOULD BE JUST THAT… SHORT LIVED. WHILE NOT A MARKED  
INCREASE, DEWPOINTS HAVE BEGUN TO CREEP UPWARD EARLY THIS MONDAY  
MORNING. MUCH OF THE FORECAST AREA SAW DEWPOINTS FALL INTO THE MID  
60S YESTERDAY THANKS TO THE DRIER AIR BEHIND THE FRONTAL BOUNDARY  
THAT MOVED THROUGH SUNDAY MORNING. THE BOUNDARY NOW LINGERS  
QUASISTATIONARY ALONG THE COASTLINE, WHERE IT IS FORECAST TO  
REMAIN THROUGH THE BEGINNING OF THE WORKWEEK BEFORE LIFTING  
NORTHWARD AS A WARM FRONT BY MIDWEEK. WINDS TODAY WILL BE LIGHT  
AND VARIABLE, BUT SOUTHERLY FLOW WILL ONCE AGAIN BECOME  
ESTABLISHED, ALLOWING DEWPOINTS TO CLIMB BACK INTO THE MID TO  
UPPER 70S.  
 
ALOFT, THE AREA WILL RESIDE BETWEEN AN UPPER LEVEL RIDGE EXPANDING  
FROM THE DESERT SW INTO THE SOUTHERN PLAINS AND AN UPPER CUTOFF  
LOW OVER THE SECONUS. ALTHOUGH THE CUTOFF LOW WILL BE SOMEWHAT  
REABSORBED INTO THE BROADER FLOW, A WEAKNESS ALOFT WILL STILL BE  
PRESENT. THE RIDGE WILL ALLOW FOR PARTS OF SETX TO SEE A SLIGHT  
INCREASE IN AFTERNOON TEMPS, THOUGH NOTHING CLIMATOLOGICALLY  
SIGNIFICANT. INCREASING LOW LEVEL MOISTURE, THE SUBTLE WEAKNESS  
ALOFT, AND DAYTIME HEATING WILL SUPPORT ISOLATED CONVECTION  
THROUGH MUCH OF THE WORKWEEK, ESPECIALLY ACROSS THE EASTERN HALF  
OF THE CWA.  
 
TEMPERATURES WILL REMAIN SLIGHTLY ABOVE NORMAL AND FAIRLY UNIFORM  
FROM DAY TO DAY. A FEW LOCATIONS, PARTICULARLY ACROSS SETX WHERE  
THE INFLUENCE OF THE UPPER RIDGE WILL BE GREATEST, COULD APPROACH  
HEAT ADVISORY CRITERIA DURING THE WORKWEEK. HOWEVER, WIDESPREAD  
HEAT HAZARDS APPEAR UNLIKELY AT THIS TIME.  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 1217 AM CDT MON AUG 3 2026  
 
VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE FORECAST PERIOD  
WITH LIGHT AND VARIABLE WINDS AND SOME SCATTERED MID TO UPPER  
DECKS.  
 

 
   
MARINE
 
 
ISSUED AT 1217 AM CDT MON AUG 3 2026  
 
A LIGHT WEST TO SOUTHWEST FLOW WILL CONTINUE THROUGH THE NEXT  
COUPLE OF DAYS, BECOMING MORE SOUTHERLY BY LATE TUESDAY AND  
BEYOND. A FEW ISOLATED SHOWERS WILL BE POSSIBLE LATER IN THE  
PERIOD, BUT OVERALL MOSTLY DRY CONDITIONS ARE EXPECTED THROUGH THE  
WORK WEEK.  
 

 
   
FIRE WEATHER
 
 
ISSUED AT 1217 AM CDT MON AUG 3 2026  
 
MINIMUM AFTERNOON RH VALUES TODAY AND MONDAY ARE EXPECTED TO RANGE  
FROM 35 TO 50 PERCENT. WINDS WILL TURN BACK OUT OF THE SOUTH ON  
MONDAY. ISOLATED AFTERNOON THUNDERSTORMS WILL BE POSSIBLE THROUGH  
MUCH OF THE WORKWEEK.  
 

 
   
LCH WATCHES/WARNINGS/ADVISORIES
 
 
LA...NONE.  
TX...NONE.  
GM...NONE.  

 
 

 
 
PUBLIC/FIRE/MARINE...87  
AVIATION...87  
 
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