449  
FXUS64 KHGX 191106  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
606 AM CDT SAT JUL 19 2025  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
ISSUED AT 1255 PM CDT FRI JUL 18 2025  
 
- ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ON SATURDAY,  
BUT THEN THE NEXT DECENT CHANCE OF PRECIPITATION DOESN'T RE-  
ENTER THE FORECAST UNTIL LATE NEXT WEEK.  
 
- HOT AND HUMID WEATHER IS EXPECTED THROUGH MOST OF NEXT WEEK.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1058 PM CDT FRI JUL 18 2025  
 
THERE WERE A FEW SHOWERS AND THUNDERSTORMS THAT DEVELOPED NEAR  
THE COAST TODAY PRODUCING LOCALIZED SPOTS OF NEAR 1" OF RAIN, BUT  
OTHERWISE MOST OF THE RAINFALL ASSOCIATED WITH THAT DISTURBANCE  
WE'VE BEEN MONITORING MISSED US TO THE EAST. SOME LINGERING  
TROPICAL MOISTURE AND WEAKNESS ALOFT WILL CONTINUE THROUGH  
SATURDAY, SO SOME ADDITIONAL SCATTERED AFTERNOON SHOWERS AND  
STORMS WILL BE POSSIBLE GENERALLY EAST OF I-45. HIGH PRESSURE THEN  
BUILDS IN ON SUNDAY THAT WILL PERSIST THROUGH AT LEAST WEDNESDAY  
PROVIDING US WITH HOT, HUMID, BUT MOSTLY RAIN-FREE WEATHER. THIS  
HIGH PRESSURE DOES BEGIN TO SHIFT TO THE NORTH BY THURSDAY OR  
FRIDAY WITH A SHORTWAVE SLIDING WESTWARDS ALONG THE SOUTHERN EDGE  
OF THE HIGH. AS OF RIGHT NOW, THIS DISTURBANCE WILL BE TAKING A  
VERY SIMILAR TRACK AS THE DISTURBANCE WE TRACKED THIS WEEK,  
SKIRTING ALONG THE GULF COAST. THIS SYSTEM WILL BE THE NEXT DECENT  
CHANCE AT SHOWERS AND THUNDERSTORMS, LIKELY REACHING COASTAL  
TEXAS SOMETIME BETWEEN THURSDAY NIGHT AND SATURDAY MORNING.  
 
HIGH TEMPERATURES THROUGH THE WEEKEND WILL BE IN THE LOW TO MID  
90S WITH LOWS IN THE MID TO UPPER 70S INLAND AND LOW TO MID 80S  
AT THE COAST. TEMPERATURES DO INCREASE BEGINNING MONDAY WITH MOST  
OF THE REGION GETTING AT LEAST INTO THE MID 90S WITH SOME ISOLATED  
SPOTS INTO THE UPPER 90S. AFTERNOON MAX HEAT INDICES WILL BE IN  
THE 103- 107 DEGREE RANGE. THESE CONDITIONS WILL CONTINUE UNTIL  
THAT DISTURBANCE APPROACHES FROM THE EAST AT THE END OF THE WEEK.  
 
FOWLER  
 

 
   
AVIATION
 
 
(12Z TAF ISSUANCE)  
ISSUED AT 606 AM CDT SAT JUL 19 2025  
 
PATCHY FOG AT CXO EARLY THIS MORNING SHOULD DISSIPATE BY 14-15Z.  
OTHERWISE, VFR CONDITIONS EXPECTED THROUGHOUT THE DAY WITH WINDS  
STARTING OUT SOUTH-SOUTHWESTERLY AND BECOMING SOUTHEASTERLY BY THE  
AFTERNOON. ISOLATED TO SCATTERED SHOWERS ARE EXPECTED TO DEVELOP  
LATER THIS MORNING INTO THE AFTERNOON HOURS MAINLY NEAR AND NORTH  
OF THE I-10 CORRIDOR. COVERAGE SHOULD BE MORE SPARSE THAN IT WAS  
ON FRIDAY, SO THIS HAS BEEN REFLECTED IN MOST TAFS WITH A PROB30.  
A FEW THUNDERSTORMS COULD DEVELOP DURING THE AFTERNOON, BUT  
CONFIDENCE ON EXACTLY WHERE THOSE WILL DEVELOP IS ON THE LOW  
SIDE. ANYTHING THAT DEVELOPS WILL DISSIPATE SHORTLY AFTER SUNSET.  
GOING INTO EARLY SUNDAY MORNING, EXPECTING MVFR CEILINGS TO  
STREAM IN OVER THE NORTHERN TERMINALS (CLL/UTS).  
 
BATISTE  
 

 
   
MARINE
 
 
ISSUED AT 1058 PM CDT FRI JUL 18 2025  
 
ISOLATED SHOWERS WILL BE POSSIBLE SATURDAY MORNING, BUT THEN  
MOSTLY DRY CONDITIONS ARE EXPECTED TO PERSIST THROUGH AT LEAST  
MIDWEEK NEXT WEEK AS HIGH PRESSURE BUILDS ACROSS THE REGION.  
EXPECT LOW SEAS AND LIGHT ONSHORE WINDS TO PREVAIL.  
 
FOWLER  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 94 76 94 75 / 10 0 0 0  
HOUSTON (IAH) 94 78 95 76 / 30 0 10 0  
GALVESTON (GLS) 90 83 91 82 / 20 10 0 0  
 

 
   
HGX WATCHES/WARNINGS/ADVISORIES
 
 
TX...NONE.  
GM...NONE.  

 
 

 
 
DISCUSSION...FOWLER  
AVIATION...BATISTE  
MARINE...FOWLER  
 
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