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 540 AM CDT Wed Jul 29 2026
- Hot and dry weather is expected through the end of July.
- Rising temperatures this week may lead to increasing heat risks especially the upcoming first weekend of August 2026.
- Frontal boundary brings chances of rain Saturday night into Sunday.
SHORT TERM
(Today through Thursday) Issued at 1225 AM CDT Wed Jul 29 2026
High pressure ridge over parts of the four corners region and portions of the Southern Plains to control the weather pattern across South Central Texas for the short term period. This means that the typical late July hot temperatures continue with highs in the mid to upper 90s and the 100 degree mark across most locations and up to 106 degrees over the southern Rio Grande Plains. Heat index values are forecast to stay just below heat advisory criteria for Wednesday for areas along and east of Interstate 35. Continued to use heat safety tips and stay hydrated.
LONG TERM
(Thursday night through Tuesday) Issued at 1225 AM CDT Wed Jul 29 2026
Hot and dry to say goodbye to July and hotter and dry to welcome the month of August 2026 on Saturday. Continued hot with increased moisture to bring heat index values into heat advisory criteria for areas along and east of Interstate 35 and Coastal Plains. Then Saturday evening into Sunday morning, a frontal boundary is forecast to push across the local area and produce isolated to scattered showers and storms. Can't rule out a few showers or storms on Sunday afternoon across the Hill Country, otherwise, back to dry weather conditions for next week.
AVIATION
(12Z TAFS) Issued at 540 AM CDT Wed Jul 29 2026
MVFR ceilings in Austin and San Antonio will continue until late morning. Then all terminals will be VFR through the afternoon and evening. Southerly winds will be become breezy this evening. MVFR ceilings return overnight in the Austin and San Antonio areas.
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 99 77 100 77 / 0 0 0 0 Austin Bergstrom Intl Airport 99 77 100 77 / 0 0 0 0 New Braunfels Muni Airport 99 76 100 75 / 0 0 0 0 Burnet Muni Airport 97 74 98 74 / 0 0 0 0 Del Rio Intl Airport 100 79 103 78 / 0 0 0 0 Georgetown Muni Airport 98 76 100 76 / 0 0 0 0 Hondo Muni Airport 98 75 99 75 / 0 0 0 0 San Marcos Muni Airport 99 76 100 75 / 0 0 0 0 La Grange - Fayette Regional 99 76 100 76 / 0 0 0 0 San Antonio Intl Airport 99 77 99 76 / 0 0 0 0 Stinson Muni Airport 100 77 100 77 / 0 0 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
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