457  
FXUS64 KEWX 091819  
AFDEWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
119 PM CDT SAT AUG 9 2025  
   
KEY MESSAGES
 
 
- SEASONABLY HOT AUGUST TEMPERATURES AND HEAT INDICES.  
 
- LOW TO MEDIUM CHANCES FOR AFTERNOON SHOWERS AND THUNDERSTORMS  
SUNDAY THROUGH WEDNESDAY.  
 

 
   
SHORT TERM
 
 
(TONIGHT THROUGH SUNDAY NIGHT)  
ISSUED AT 115 PM CDT SAT AUG 9 2025  
 
HOT AND MOSTLY DRY CONDITIONS ARE EXPECTED FOR THE REST OF THE  
WEEKEND AS THE SUBTROPICAL RIDGE CONTINUES ITS WESTWARD  
PROGRESSION. TONIGHT, AN INVERTED TROUGH WILL MOVE OVER THE  
TX COAST AND REMAIN OVER THE AREA SUNDAY. THIS FEATURE WILL  
BRING SOME INCREASED MOISTURE ALLOWING FOR LOW TO MEDIUM  
PRECIPITATION CHANCES FOR THE COASTAL PLAINS DURING THE  
AFTERNOON. OTHERWISE, ANOTHER HOT DAY IS FORECAST WITH HIGHS IN  
THE MID 90S TO AROUND 100 DEGREES. WITH THE LOSS OF HEATING  
CONVECTION WILL END SUNDAY EVENING LEAVING A DRY FORECAST  
OVERNIGHT. LOW TEMPERATURES WILL BE WITHIN A COUPLE OF DEGREES  
OF NORMAL.  
 

 
   
LONG TERM
 
 
(MONDAY THROUGH SATURDAY)  
ISSUED AT 115 PM CDT SAT AUG 9 2025  
 
THE INVERTED TROUGH WILL MOVE FURTHER INLAND MONDAY WHILE  
ANOTHER UPPER LEVEL TROUGH MOVES ACROSS THE CENTRAL US TUESDAY  
AND WEDNESDAY. DIURNAL HEATING AND SOME SUPPORT ALOFT WILL  
COMBINE WITH A SURGE OF MOIST AIR FROM THE GULF SPREADING  
PRECIPITATION CHANCES ACROSS NEARLY ALL OF SOUTH-CENTRAL TEXAS  
EACH AFTERNOON MONDAY THROUGH WEDNESDAY. THE BEST CHANCES WILL  
BE IN THE EAST OVER THE COASTAL PLAINS. THE SUBTROPICAL RIDGE  
WILL BUILD BACK OVER THE REGION STARTING THURSDAY AND ANY  
SHOWER OR THUNDERSTORM ACTIVITY WILL RETREAT BACK TO THE COASTAL  
PLAINS FOR THE REST OF THE WEEK.  
 
HIGH TEMPERATURES ARE FORECAST TO BE IN THE 90S TO AROUND 100  
DEGREES EACH DAY NEXT WEEK WITH LOWS MAINLY IN THE 70S. HEAT  
INDICES WILL CONTINUE TO BE BELOW HEAT ADVISORY CRITERIA,  
GENERALLY FALLING IN THE MID 90S TO AROUND 106 DEGREE RANGE.  
ALTHOUGH THESE TEMPERATURES ARE FAIRLY TYPICAL FOR THIS TIME OF  
YEAR, CONTINUE TO PRACTICE HEAT SAFETY MEASURES.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 115 PM CDT SAT AUG 9 2025  
 
VFR SKIES TO PERSIST FOR MOST LOCATIONS THROUGH THE NEXT 30 HOURS.  
ISOLATED SHRA ACTIVITY IS FORECAST 20Z-00Z EAST OF A K3T5-KVCT LINE.  
SE WINDS 7-12KT THROUGH THIS AFTERNOON WITH A FEW GUSTS AROUND 20 KT  
THIS EVENING AT SAT/SSF.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AUSTIN CAMP MABRY 76 97 76 96 / 0 10 10 20  
AUSTIN BERGSTROM INTL AIRPORT 75 97 74 96 / 0 10 10 20  
NEW BRAUNFELS MUNI AIRPORT 73 97 73 96 / 0 10 10 20  
BURNET MUNI AIRPORT 74 95 74 94 / 0 0 0 20  
DEL RIO INTL AIRPORT 78 100 78 99 / 0 0 0 10  
GEORGETOWN MUNI AIRPORT 74 97 74 96 / 0 0 10 20  
HONDO MUNI AIRPORT 73 98 73 97 / 0 0 0 20  
SAN MARCOS MUNI AIRPORT 74 98 73 97 / 0 10 10 20  
LA GRANGE - FAYETTE REGIONAL 75 95 74 94 / 0 20 10 30  
SAN ANTONIO INTL AIRPORT 76 97 75 96 / 0 10 10 20  
STINSON MUNI AIRPORT 76 99 75 98 / 0 10 10 20  
 

 
   
EWX WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
SHORT-TERM...05  
LONG-TERM...05  
AVIATION...76  
 
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