674  
FXUS64 KHGX 281123  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
623 AM CDT FRI AUG 28 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
- ISOLATED TO SCATTERED SHOWERS AND STORMS ARE EXPECTED EARLY THIS  
MORNING OVER THE COASTAL ZONES AND FURTHER INLAND WITH THE  
SEABREEZE THIS AFTERNOON.  
 
- HOT AND HUMID CONDITIONS WITH LOW CHANCES FOR SHOWERS/STORMS  
WILL CONTINUE INTO NEXT WEEK.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1204 AM CDT FRI AUG 28 2026  
 
ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP  
OVERNIGHT AS THE MAIN FRONTAL BOUNDARY SLOWLY SHIFTS TOWARD THE  
COAST. AS OF 12 AM THIS MORNING, THE BOUNDARY WAS ALMOST STATIONARY  
AND EXTENDED ROUGHLY ALONG THE I-10 CORRIDOR. WITH DEEP LOW LEVEL  
MOISTURE (PWS 2 - 2.3"), AND DEEP MOISTURE CONVERGENCE REMAINING  
OVER THE REGION, RAIN AND STORM CHANCES WILL CONTINUE OVERNIGHT  
THROUGH EARLY FRIDAY. THE BEST FOCUS FOR ANY CONVECTION WILL RESIDE  
NEAR THE SLOW-MOVING BOUNDARY, WHICH IS GENERALLY OVER THE COASTAL  
COUNTIES. THE SEVERE WEATHER THREAT IS LOW; HOWEVER, GUSTY WINDS,  
BRIEF HEAVY DOWNPOURS AND FREQUENT LIGHTNING ARE POSSIBLE WITH ANY  
STRONG STORMS.  
 
THE BOUNDARY IS FORECAST TO MOVE OFF THE COAST BY THE MORNING HOURS,  
KEEPING SOME ACTIVITY OVER THE COASTAL WATERS. OVERALL, NORTH TO  
EASTERLY WINDS WILL PREVAIL THROUGH THE DAY, BRINGING A SLIGHTLY  
DRIER AIR MASS. IT WON'T BE COMPLETELY DRY, THOUGH. A FEW SHOWERS  
AND STORMS ARE AGAIN POSSIBLE IN THE AFTERNOON WITH THE SEABREEZE  
INTERACTION. TEMPERATURE-WISE, IT WILL BE HOT, BUT AT LEAST NOT IN  
THE TRIPLE DIGITS. HIGHS WILL GENERALLY BE IN THE MID TO UPPER 90S.  
REMEMBER TO PRACTICE HEAT SAFETY WHEREVER YOU ARE!  
 
BEYOND SATURDAY, MID TO UPPER LVL RIDGE CENTERED OVER WEST TX WILL  
CONTINUE TO EXPAND EASTWARD THROUGH EARLY NEXT WEEK. WHILE A FEW  
DISTURBANCES MOVES INTO THE REGION FROM THE GULF THROUGH THE WEEK.  
THESE DISTURBANCES ALONG WITH THE AFTERNOON SEABREEZE INTERACTION  
WILL KEEP A DAILY RISK OF RAIN/STORM CHANCES.  
 

 
   
AVIATION
 
 
(12Z TAF ISSUANCE)  
ISSUED AT 617 AM CDT FRI AUG 28 2026  
 
ISOLATED SHRA/TSRA SHOULD CONTINUE THIS MORNING. THE EARLIER TSRA  
NEAR IAH IS DISSIPATING. WE EXPECT MORE ISOLATED TO SCATTERED  
SHRA/TSRA ACTIVITY THIS AFTERNOON, WITH THE BEST CHANCE OF TSRA  
SOUTH OF I-10. THUS, WE HAVE INCLUDED TS W/IN PROB30S FOR OUR  
TERMINALS SOUTH OF I-10, WITH SHRA PROB30S FARTHER NORTH. HOWEVER,  
WE CANNOT COMPLETELY RULE OUR TS NORTH OF I-10. CONDITIONS WILL  
GENERALLY BE VFR. BUT IFR-MVFR ALONG WITH LOCALLY GUSTY WINDS ARE  
LIKELY IN THE VICINITY OF ANY TS.  
 

 
   
MARINE
 
 
ISSUED AT 1204 AM CDT FRI AUG 28 2026  
 
A WEAK FRONTAL BOUNDARY IS EXPECTED TO REACH THE COASTAL WATERS  
EARLY THIS MORNING BEFORE WASHING OUT/WEAKENING THROUGH THE DAY. A  
FEW SHOWERS AND STORMS WILL BE POSSIBLE ALONG THE BOUNDARY.  
STRONG WINDS AND BUILDING SEAS ARE POSSIBLE NEAR ANY STRONG  
STORMS. GENERALLY LIGHT OFFSHORE WINDS ARE EXPECT TODAY, BEFORE  
WINDS SHIFT MORE SOUTHERLY AFTER SATURDAY. OVERALL, EXPECT A DAILY  
RISK OF SHOWERS AND STORMS WITH THE BEST CHANCES IN THE MORNING  
OVER THE GULF WATERS AND IN THE AFTERNOON OVER THE BAYS.  
 
JM  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 97 76 97 75 / 20 10 10 0  
HOUSTON (IAH) 97 79 97 78 / 20 20 20 0  
GALVESTON (GLS) 91 82 92 83 / 20 10 0 0  
 

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

 
 

 
 
DISCUSSION...JM  
AVIATION...SELF  
MARINE...JM  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page