textproduct: Austin/San Antonio
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Dry weather along with above normal temperatures continue through the weekend and into early next week.
- Elevated heat index values each afternoon, especially along and east of I-35 and across most of the Rio Grande plains.
LONG TERM
(Wednesday night through Monday) Issued at 1230 AM CDT Tue Jun 23 2026
The large scale weather pattern will change little through late week as the center of the mid and upper level high pressure slowly drops southward into northern Mexico. While the strength of the ridge should gradually weaken, we expect to see a continuation of dry weather along with above normal temperatures across south central Texas. Elevated afternoon heat index values will persist, especially along and east of I-35 and into the Rio Grande plains. With soil conditions gradually drying and efficient mixing of dew point temperatures in the afternoon, we expect most locations will remain below Heat Advisory criteria. However, residents are still urged to practice heat safety tips during this period of above normal temperatures.
AVIATION
(06Z TAFS) Issued at 1230 AM CDT Tue Jun 23 2026
A somewhat flat ridge axis over TX will allow for a faster westerly wind aloft over Oklahoma and lead to a stronger surface gradient. More gusty winds are expected for today which should keep low levels well mixed. MVFR CIGs are expected for this morning with the good mixing expected to lift most CIGs to VFR before noon. The pattern doesn't change much for tonight, so there should be a similar low cloud timing trend for late tonight into Wednesday morning.
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 95 77 96 75 / 0 0 0 0 Austin Bergstrom Intl Airport 95 77 95 75 / 0 0 0 0 New Braunfels Muni Airport 94 75 94 73 / 0 0 0 0 Burnet Muni Airport 93 75 94 72 / 0 0 0 0 Del Rio Intl Airport 97 77 98 76 / 0 0 0 0 Georgetown Muni Airport 95 76 95 75 / 0 0 0 0 Hondo Muni Airport 92 74 92 72 / 0 0 0 0 San Marcos Muni Airport 95 76 95 73 / 0 0 0 0 La Grange - Fayette Regional 94 76 95 74 / 0 0 0 0 San Antonio Intl Airport 93 76 93 75 / 0 0 0 0 Stinson Muni Airport 93 76 93 75 / 0 0 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
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