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
- Persistent dry conditions with near normal temperatures.
- Elevated heat index values late week into the weekend, especially along and east of I-35 and across most of the Rio Grande plains.
SHORT TERM
(Tonight through Thursday night) Issued at 1257 PM CDT Wed Jun 24 2026
South Central Texas remains under mid-level ridging and persistent south to southeasterly low level flow. A warm, moist airmass remains in place, but temperatures and dewpoints are a couple of degrees lower today compared to 24 hours ago. We don't have any significant changes in the short term forecast. Overnight and morning clouds will give way to a mostly sunny afternoon. Lows Thursday and Friday and highs Thursday will be within a few degrees of normal. The lower dewpoints will mean most of the area will have heat indices less than 100 with a few places in the Coastal and Rio Grande Plains reaching 103.
LONG TERM
(Friday through next Wednesday) Issued at 1257 PM CDT Wed Jun 24 2026
The subtropical ridge will remain over the region into the weekend, shifting further east early next week. Even with the ridge to the east, South Central Texas will still remain under its influence. Dry conditions with daily high temperatures in the 90s are expected to persist under this pattern. Good mixing each afternoon will help keep heat indices below Heat Advisory criteria, though values will likely be in the triple digits for many each afternoon keeping minor to moderate heat risk over the area. Breezy wind each afternoon and evening will subside slightly overnight. It's starting to feel like the dog days of summer already.
AVIATION
(00Z TAFS) Issued at 639 PM CDT Wed Jun 24 2026
VFR conditions across all area sites through late tonight and then MVFR cigs overnight through mid Thursday morning. VFR cigs return mid to late Thursday morning and remains through late Thursday night. A southerly wind flow of 5 to 15 knots is forecast for the rest of this evening through Thursday morning with speeds increasing 10 to 20 knots with gusts up to 25 knots mid Thursday morning through the evening.
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 73 95 76 96 / 0 0 0 0 Austin Bergstrom Intl Airport 73 95 76 96 / 0 0 0 0 New Braunfels Muni Airport 72 93 74 95 / 0 0 0 0 Burnet Muni Airport 71 93 74 94 / 0 0 0 0 Del Rio Intl Airport 75 99 77 100 / 0 0 0 0 Georgetown Muni Airport 72 95 75 96 / 0 0 0 0 Hondo Muni Airport 71 92 73 93 / 0 0 0 0 San Marcos Muni Airport 72 95 75 96 / 0 0 0 0 La Grange - Fayette Regional 73 94 76 95 / 0 0 0 0 San Antonio Intl Airport 73 93 75 94 / 0 0 0 0 Stinson Muni Airport 73 93 75 94 / 0 0 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
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