626  
FXUS64 KHGX 191727  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1227 PM CDT SAT SEP 19 2026  
   
..NEW DISCUSSION, AVIATION, MARINE  
 
   
KEY MESSAGES  
 
- HOT AND DRY CONDITIONS CONTINUE TODAY.  
 
- DIURNAL STORM CHANCES ALONG WITH HUMIDITY RETURN SUNDAY AND  
PERSIST THROUGH NEXT WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 1222 PM CDT SAT SEP 19 2026  
 
LATEST MID AND LOWER LEVEL WATER VAPOR IMAGERY SHOWS THE DRY AIR  
STILL WELL IN PLACE OVER THE AREA. AN UPPER RIDGE CENTERED OVER  
NORTH-CENTRAL TEXAS WILL CONTINUE TO BRING HOT TEMPERATURES,  
HOWEVER GIVEN THE DRIER AIR, HUMIDITIES WILL BE AGAIN LOWER  
SIMILAR TO FRIDAY. HEAT INDICIES WILL GENERALLY RANGE FROM AROUND  
102-105F. A WEAK TROUGH APPROACHING FROM THE WEST WILL BEGIN TO  
BREAK DOWN THE RIDGE, WEAKENING THE CAPPING AND ALLOWING FOR  
DIURNAL STORM CHANCES TO RETURN. THESE WILL INITIALLY BE QUITE  
ISOLATED AND GENERALLY CONFINED TO AREAS ALONG THE COAST, EAST OF  
GALVESTON. HUMIDITY WILL BE A COUPLE DEGREES HIGHER, THOUGH SHOULD  
REMAIN BELOW ADVISORY CRITERIA.  
 
THERE ARE NO SIGNIFICANT CHANGES FROM NEXT WEEK FROM THE PREVIOUS  
FORECAST. HOT AND HUMID CONDITIONS WILL PERSIST WITH DIURNAL  
ISOLATED STORM CHANCES ALONG THE COAST. A WEAK COLD FRONT LATE-WEEK  
MAY DROP TEMPERATURES A FEW DEGREES AND BRING LESS HUMIDITY. AN  
UPPER RIDGE ALSO LOOKS TO STRENGTHEN OVER THE SAME TIME FRAME AND  
CURTAIL ANY STORM CHANCES.  
 
 
   
AVIATION  
 
(18Z TAF ISSUANCE)  
ISSUED AT 1222 PM CDT SAT SEP 19 2026  
 
VFR CONDITIONS PREVAIL AT ALL TAF SITES WITH LIGHT AND VRB WINDS.  
WINDS PICK BACK UP AND SETTLE OUT OF THE ESE TOMORROW AFTERNOON.  
KCXO HAS A CHANCE FOR PATCHY FOG EARLY TOMORROW MORNING, WHICH  
SHOULD CLEAR OUT SHORTLY AFTER SUNRISE. PRECIPITATION CHANCES REMAIN  
VERY MINIMAL TOMORROW. KGLS MAY SEE A FEW SHORT LIVED SHOWERS IN THE  
MORNING/EARLY AFTERNOON. OTHERWISE, VFR CONDITIONS ARE EXPECTED THRU  
THE TAF PERIOD.  
 
 
   
MARINE  
 
ISSUED AT 1222 PM CDT SAT SEP 19 2026  
 
LIGHT ESE WINDS PEAKING JUST OVER 10 KTS INTERMITTENTLY WILL  
CONTINUE THROUGH TUESDAY. SEAS OF 2 TO 4 FT PERSIST OVER THIS PERIOD  
AS WELL. ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY  
STARTING SUNDAY.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
COLLEGE STATION (CLL) 73 98 75 98 / 0 0 0 10  
HOUSTON (IAH) 76 96 77 97 / 0 10 0 10  
GALVESTON (GLS) 83 90 83 91 / 20 30 10 0  
 
 
   
HGX WATCHES/WARNINGS/ADVISORIES  
 
TX...NONE.  
GM...NONE.  
 
 
 
 
DISCUSSION...AP  
AVIATION...JMG  
MARINE...AP  
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