428  
FXUS64 KLCH 011124  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
624 AM CDT MON JUN 1 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
- HUMID AND MUGGY WEATHER WILL CONTINUE THROUGH THE START OF THE  
WORK WEEK. TEMPERATURES WILL WARM BY A DEGREE OR SO EACH DAY THRU  
TUESDAY.  
 
- PRECIPITATION CHANCES WILL INCREASE MARGINALLY OVER THE WEEK. A  
FRONTAL BOUNDARY WILL ARRIVE MID THIS WEEK.  
 
- HEAT INDICES IN THE UPPER 90S TO LOWER 100S CAN BE EXPECTED THRU  
TUESDAY. PRACTICE HEAT SAFETY! HYDRATE, TAKE BREAKS, AND STICK TO  
THE SHADE.  
 

 
   
DISCUSSION
 
 
(TODAY THROUGH SUNDAY)  
ISSUED AT 1204 AM CDT MON JUN 1 2026  
 
CURRENT CONDITIONS STILL REMAIN PLENTY WARM AND HUMID, WITH TEMPS IN  
THE MID TO UPPER 70S AND NEAR MATCHING DEWPOINTS. AT THE SURFACE,  
THE HIGH PRESSURE WILL MAINTAIN LIGHT SOUTHERLY TO NEAR CALM  
FLOW. TONIGHT, WE COULD SEE ANOTHER ROUND OF PATCHY FOG. WHILE  
DENSE FOG IS NOT EXPECTED, IT IS ADVISED TO COMMUTE WITH CAUTION  
LATE TONIGHT INTO EARLY TOMORROW MORNING.  
 
OTHER THAN BEING CAREFUL WITH THE POTENTIAL FOG, IT IS DEFINITELY  
ADVISED TO BE CAUTIOUS WHILE OUTDOORS TODAY AND TOMORROW. HIGHS WILL  
GET INTO THE UPPER 80S TO MID 90S WITH DEWPOINTS IN THE 70S. THIS  
WILL YIELD HEAT INDICES IN THE 100S IN SOME AREAS. WHILE THE  
ISSUANCE OF HEAT PRODUCTS WILL BE UNLIKELY, THE PROBABILITY OF  
FEELING LIKE A MELTED ICE CREAM WILL BE HIGH IF ONE DECIDES TO GO  
ON A RUN THESE NEXT FEW AFTERNOONS.  
 
FROM THE MIDWEEK PERIOD TO THE END OF THIS FORECAST PERIOD, ISOLATED  
TO NUMEROUS RAIN CHANCES WILL PREVAIL. SOME OF THIS ACTIVITY IS  
EXPECTED TO BE SEABREEZE / DIURNALLY DRIVEN, HOWEVER IT WILL HAVE  
SOME ASSISTANCE FIRST FROM A WEAK FRONTAL BOUNDARY (WED/THU) THEN  
FROM AN UPPER LOW EXPECTED THIS WEEKEND. THE GOOD NEWS IS THAT THE  
EXPECTED RAIN AND CLOUD COVER FROM MID WEEK ARE LIKELY TO KEEP MAXTS  
IN CHECK, ALTHOUGH ONE WILL STILL BE PRECIPITATING WHILE PARTICIPATING  
IN OUTDOOR ACTIVITIES.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 623 AM CDT MON JUN 1 2026  
 
ANY LINGERING SHALLOW FOG WILL DISSIPATE BY 13Z, LEAVING VFR  
CONDITIONS WITH LIGHT SOUTH TO SOUTHEAST WINDS AT ALL SITES.  
SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AFTER  
18Z, MORE LIKELY AT BPT/LCH/LFT/ARA. ANY STORM COULD BRING BRIEF  
MVFR CIGS/VIS IN HEAVY RAIN.  
 
ANOTHER ROUND OF SHALLOW FOG MAY BRING PERIODS OF MVFR VISIBILITY  
LATE TONIGHT INTO EARLY TUESDAY MORNING, PARTICULARLY FOR ANY AREAS  
THAT RECEIVED RAIN DURING THE DAY.  
 
64/SILAS  
 

 
   
MARINE
 
 
ISSUED AT 1204 AM CDT MON JUN 1 2026  
 
RIDGING WILL REMAIN OVER GULF WATERS TO BRING ABOUT LIGHT TO  
OCCASIONALLY MODERATE ONSHORE WINDS, LOW SEAS AND NEARSHORE  
DIURNAL SHOWERS. TOWARDS THE MIDWEEK, UPPER LOW PRESSURE WILL  
PLACE A WEAK BOUNDARY NEAR THE NORTH GULF COASTLINE, INCREASING  
RAIN CHANCES AND SEAS ON INCREASING PRESSURE GRADIENT. WINDS WILL  
TURN TO THE EAST AND SEAS INCREASE LATE IN THE WORK WEEK IN  
RESPONSE TO THIS BOUNDARY AND TO HIGH PRESSURE DEVELOPING OVER THE  
SOUTHEAST US.  
 

 
   
FIRE WEATHER
 
 
ISSUED AT 1204 AM CDT MON JUN 1 2026  
 
WHILE THERE REMAINS AN ANOMALOUSLY MOIST AIRMASS ALSO SET INTO  
THE NORTH GULF, DRY CONDITIONS FROM HIGH PRESSURE ARE ALLOWING  
DAYTIME RH VALUES TO MIX DOWN TO THE 45 TO 60 PERCENT RANGE.  
 
A SLIGHT WEAKNESS IN THE HIGH PRESSURE WILL DEVELOP, ALLOWING FOR A  
WEAK BOUNDARY TO MOVE INTO THE REGION. THIS BOUNDARY WILL THEN  
BECOME THE FOCUS FOR MORE DIURNALLY DRIVEN, SEABREEZE, RAIN CHANCES  
TO RETURN TO THE FORECAST.  
 

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

 
 

 
 
PUBLIC/FIRE/MARINE...87  
AVIATION...64  
 
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