621  
FXUS64 KEWX 091517  
AFDEWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
1017 AM CDT SAT AUG 9 2025  
   
..NEW UPDATE  
 
   
UPDATE  
 
THE FORECAST LOOKS TO BE IN GOOD SHAPE THIS MORNING. ONLY MADE  
MINOR ADJUSTMENTS TO ACCOUNT FOR OBSERVATIONAL TRENDS. IT WILL  
BE A TYPICAL SUMMER DAY IN SOUTH-CENTRAL TEXAS.  
 
 
   
KEY MESSAGES  
 
- SEASONABLY HOT AUGUST TEMPERATURES AND HEAT INDICES.  
 
- LOW TO MEDIUM CHANCES FOR AFTERNOON SHOWERS AND THUNDERSTORMS  
SUNDAY INTO NEXT WEEK MAINLY OVER THE COASTAL PLAINS.  
 
 
   
SHORT TERM (THROUGH SUNDAY)  
 
(TODAY THROUGH SUNDAY)  
ISSUED AT 1234 AM CDT SAT AUG 9 2025  
 
HOT AND MOSTLY DRY CONDITIONS ARE EXPECTED THIS WEEKEND AS THE  
SUBTROPICAL RIDGE CONTINUES ITS WESTWARD PROGRESSION. TODAY WILL BE  
HOT AND DRY WITH HIGHS NEARING OR EXCEEDING THE 100 DEGREE MARK.  
TONIGHT, AN INVERTED TROUGH MOVES OVER THE TEXAS COAST AND REMAINS  
OVER THIS AREA THROUGH MUCH OF SUNDAY. THIS FEATURE WILL BRING SOME  
INCREASED MOISTURE ALLOWING FOR LOW TO MEDIUM PRECIPITATION CHANCES  
FOR THE COASTAL PLAINS DURING THE AFTERNOON WITH DRY CONDITIONS  
ELSEWHERE. OTHERWISE, ANOTHER HOT DAY IS FORECAST WITH HIGHS IN THE  
MID 90S TO AROUND 100 DEGREES.  
 
 
   
LONG TERM (SUNDAY NIGHT THROUGH FRIDAY)  
 
(SUNDAY NIGHT THROUGH FRIDAY)  
ISSUED AT 1234 AM CDT SAT AUG 9 2025  
 
THE AFOREMENTIONED INVERTED TROUGH MOVES FURTHER INLAND MONDAY WHILE  
ANOTHER UPPER LEVEL TROUGH MOVES ACROSS THE CENTRAL US TUESDAY AND  
WEDNESDAY. INCREASED MOISTURE, DIURNAL HEATING AND SOME SUPPORT ALOFT  
WILL ALLOW FOR PRECIPITATION CHANCES TO SPREAD ACROSS ALL OF SOUTH  
CENTRAL TEXAS BOTH MONDAY AND TUESDAY AFTERNOONS, WITH THE BEST  
CHANCES IN THE EAST OVER THE COASTAL PLAINS. LOWER RAIN CHANCES ARE  
SEEN WEDNESDAY ACROSS THE AREA, THEN ANY SHOWER OR THUNDERSTORM  
ACTIVITY LOOKS TO RETREAT BACK TO THE FAR EASTERN COASTAL PLAINS THE  
REST OF THE WEEK AS MID-LEVEL RIDGING RETURNS.  
 
HIGH TEMPERATURES ARE FORECAST IN THE 90S TO AROUND 100 DEGREES NEXT  
WEEK WITH LOWS MAINLY IN THE 70S. HEAT INDICES CONTINUE TO REMAIN  
BELOW HEAT ADVISORY CRITERIA, GENERALLY FALLING IN THE MID 90S TO  
AROUND 106 DEGREE RANGE. ALTHOUGH THESE TEMPERATURES ARE FAIRLY  
TYPICAL THIS TIME OF YEAR, CONTINUE TO PRACTICE HEAT SAFETY MEASURES.  
 
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 601 AM CDT SAT AUG 9 2025  
 
A WEAK POCKET OF MVFR STRATUS MOVING OVER THE COASTAL PRAIRIES MIGHT  
DROP A BRIEF CIG INTO SSF BUT SHOULD STAY JUST EAST OF SAT/AUS. ONLY  
OTHER CLOUDS EXPECTED ARE SOME DRIFTING HIGH CLOUDS MOVING SOUTH FROM  
CONVECTION OVER THE CENTRAL PLAINS STATES. LIGHT S/E WINDS WILL  
CONTINUE TO SHIFT IN DIRECTION BASED ON TYPICAL DIURNAL CYCLES, WITH  
SOME GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON AND EARLY EVENING.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
AUSTIN CAMP MABRY 76 97 76 96 / 0 10 0 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 0 20  
HONDO MUNI AIRPORT 73 98 73 97 / 0 0 0 10  
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.  
 
 
 
 
UPDATE...05  
SHORT-TERM...27  
LONG-TERM...27  
AVIATION...18  
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