735
FXUS64 KSJT 212334
AFDSJT
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
634 PM CDT TUE JUL 21 2026
..NEW AVIATION
KEY MESSAGES
- A HEAT ADVISORY IS IN EFFECT WEDNESDAY AFTERNOON AND EARLY
EVENING ACROSS THE BIG COUNTRY, HEARTLAND AND MASON COUNTY.
- FORECAST AFTERNOON HIGHS AND HEAT INDICES WILL LIKELY REACH HEAT
ADVISORY CRITERIA ACROSS PORTIONS OF THE FORECAST AREA THURSDAY
INTO THE UPCOMING WEEKEND.
SHORT TERM
(THIS EVENING THROUGH WEDNESDAY)
ISSUED AT 1233 PM CDT TUE JUL 21 2026
AN UPPER LEVEL RIDGE CURRENTLY OVER COLORADO AND WESTERN KANSAS
WILL DRIFT SOUTH INTO NORTHWEST TEXAS BY TOMORROW AFTERNOON. THIS
WILL RESULT IN A CONTINUATION OF HOT AND DRY CONDITIONS ACROSS
WEST CENTRAL TEXAS AGAIN ON WEDNESDAY. A HEAT ADVISORY REMAINS
IN EFFECT FOR MOST OF THE BIG COUNTRY THROUGH EARLY THIS EVENING,
WHERE HEAT INDEX VALUES WILL APPROACH 105 DEGREES. A HEAT
ADVISORY HAS BEEN ISSUED FOR TOMORROW AS WELL, BUT WILL EXPAND
ACROSS THE HEARTLAND COUNTIES AND ALSO INCLUDE MASON COUNTY.
HEAT INDEX VALUES TOMORROW AFTERNOON WILL RANGE BETWEEN 105 AND
108 DEGREES IN THE ADVISORY AREA, HIGHEST OVER THE HEARTLAND.
TEMPERATURES TONIGHT WILL BE WARM, WITH OVERNIGHT LOWS IN THE
MID AND UPPER 70S.
LONG TERM
(WEDNESDAY NIGHT THROUGH NEXT TUESDAY)
ISSUED AT 1233 PM CDT TUE JUL 21 2026
HOT AND DRY WEATHER WILL PERSIST ACROSS THE AREA THROUGH THE
EXTENDED PERIOD, AS HIGH PRESSURE DOMINATES. HIGHS WILL RANGE
FROM THE UPPER 90S ACROSS THE SOUTH, AND BETWEEN 100 AND 106 FROM
THE CONCHO VALLEY NORTH INTO THE BIG COUNTRY. HEAT ADVISORIES WILL
LIKELY BE NEEDED EACH DAY THROUGH THE EXTENDED PERIOD, PRIMARILY
FROM THE CONCHO VALLEY AND HEARTLAND NORTH INTO THE BIG COUNTRY,
WHERE HEAT INDICES BETWEEN 105 AND 108 ARE EXPECTED.
AVIATION
(00Z TAFS)
ISSUED AT 632 PM CDT TUE JUL 21 2026
VFR CONDITIONS WILL CONTINUE THROUGH THE NEXT 24 HOURS. WINDS WILL
BE LIGHT AND VARIABLE.
PRELIMINARY POINT TEMPS/POPS
ABILENE 78 101 79 100 / 0 0 10 0
SAN ANGELO 74 100 76 100 / 0 0 0 0
JUNCTION 73 99 77 98 / 0 0 0 0
BROWNWOOD 76 101 78 100 / 0 0 0 0
SWEETWATER 77 102 79 102 / 0 0 0 0
OZONA 73 96 75 97 / 0 0 0 0
BRADY 75 100 76 98 / 0 0 0 0
SJT WATCHES/WARNINGS/ADVISORIES
HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR CALLAHAN-FISHER-
HASKELL-JONES-SHACKELFORD-TAYLOR-THROCKMORTON.
HEAT ADVISORY FROM NOON TO 8 PM CDT WEDNESDAY FOR BROWN-CALLAHAN-
COLEMAN-FISHER-HASKELL-JONES-MASON-MCCULLOCH-NOLAN-SAN SABA-
SHACKELFORD-TAYLOR-THROCKMORTON.
SHORT TERM...24
LONG TERM....24
AVIATION...42
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