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
Updated at 535 AM CDT Tue Jun 30 2026
- Hot and seasonable temperatures continue through the Holiday Weekend.
- Low shower and thunderstorm chances return late this weekend into early next week.
SHORT TERM
(Today through Wednesday) Issued at 1245 AM CDT Tue Jun 30 2026
A look at GOES East Water Vapor imagery places south central Texas on the western periphery of a 597dm mid-level ridge centered over Tennessee. Meanwhile, a large trough remains situated over the western CONUS, resulting in southwesterly flow aloft over the northern Plains. Mid-level east to east-southeasterly flow aloft will continue to feed in the SAL (Saharan Dust Layer) but it shouldn't be quite as intense on Tuesday and Wednesday. Hazy skies will still continue but the worst of it is over for now. Temperatures will remain hot, but seasonable, in the mid to upper 90s today and tomorrow along with heat indices in the 100-106 range.
LONG TERM
(Wednesday night through Monday) Issued at 1245 AM CDT Tue Jun 30 2026
Our hot and dry pattern is expected to continue through at least Saturday as mid-level ridging remains in control over the southeastern CONUS. The ridge finally shows some weaknesses and breaks down somewhat Sunday and Monday of next week, resulting in a return of rain and thunderstorm chances. Otherwise, expect more of the same for the region beyond those rain chances as the Summer heat continues.
AVIATION
(12Z TAFS) Issued at 535 AM CDT Tue Jun 30 2026
Concerns for haze VSBY restrictions are over as 10Z conditions all came in over 7SM. If any haze does show up at sunrise, it should be 6SM or better, at least at the TAF sites. MVFR CIGs continue to be rather random so will continue with the ongoing strategy of mixing MOS guidance with persistence and adjusting slightly up or down in hours based on how much the surface winds have an onshore easterly component.
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 77 96 75 96 / 0 0 0 0 Austin Bergstrom Intl Airport 77 95 76 96 / 0 0 0 0 New Braunfels Muni Airport 75 94 74 95 / 0 0 0 0 Burnet Muni Airport 75 94 72 94 / 0 0 0 0 Del Rio Intl Airport 76 98 77 99 / 0 0 0 0 Georgetown Muni Airport 76 95 74 96 / 0 0 0 0 Hondo Muni Airport 74 94 74 94 / 0 0 0 0 San Marcos Muni Airport 75 95 74 96 / 0 0 0 0 La Grange - Fayette Regional 76 95 75 95 / 0 0 0 0 San Antonio Intl Airport 76 94 75 94 / 0 0 0 0 Stinson Muni Airport 76 94 75 95 / 0 0 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
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