textproduct: Austin/San Antonio

KEY MESSAGES

Updated at 1231 PM CDT Thu Jun 25 2026

- Persistent dry conditions with near to slightly above normal temperatures through the rest of June.

- Elevated heat index values late week into the weekend, especially along and east of I-35 and across most the Rio Grande Plains.

SHORT TERM

(Tonight through Friday night) Issued at 1213 PM CDT Thu Jun 25 2026

Dry and typical summer heat is forecast for South Central Texas in the short term period. High and low temperatures are forecast to run nearly to slightly above normal values with daily highs in the low to mid 90s across portions of the Hill Country and southern Edwards Plateau and mid to upper 90s elsewhere and up to 100 along the Rio Grande Plains. Overnight lows are forecast to range from the low 70s across the Hill Country and nearby locations to mid and upper 70s for the rest of South Central Texas.

We will see abundant cloud coverage in the mornings and partly cloudy skies in the afternoons. Also, some hazy skies are possible today and Friday as Saharan dust makes it to the local area to produce milky looking skies.

Elevated heat index values are forecast for Friday as the upper level ridge dominating the local area centers over central Texas and brings highs temperatures a few degrees higher than today. Heat index of 100 to 107 could be observed along and east of the I-35 corridor, Coastal Plains and the southern part of the Rio Grande Plains area. By the way, breezy conditions continue today and Friday, especially during the afternoon and evening with occasional gusts of 20 to 25 mph to aid with the heat.

LONG TERM

(Saturday through next Thursday) Issued at 1213 PM CDT Thu Jun 25 2026

The upper level ridge is in controls the local area weather for the weekend into early next week with continued dry and hot temperatures. A second round of Saharan dust could arrive on Monday and stays into Tuesday for milky looking skies. No rain forecast for the extended forecast period. However, some storms could get closer to the southern Edwards Plateau late Monday afternoon into the evening as storms develop ahead of a dry line over west Texas.

AVIATION

(18Z TAFS) Issued at 1231 PM CDT Thu Jun 25 2026

Morning clouds are quickly dissipating, and all terminals have rebounded to VFR to start the new period. Southerly winds have begun to gust in the 20s, and this will continue through the afternoon. Low clouds will return overnight. Ceilings will mostly be MVFR with occasional IFR. VFR conditions will return by around noon Friday. Winds will be gusty again Friday afternoon.

PRELIMINARY POINT TEMPS/POPS

Austin Camp Mabry 76 96 76 96 / 0 0 0 0 Austin Bergstrom Intl Airport 76 96 76 96 / 0 0 0 0 New Braunfels Muni Airport 74 95 74 95 / 0 0 0 0 Burnet Muni Airport 74 94 73 94 / 0 0 0 0 Del Rio Intl Airport 77 100 77 100 / 0 0 0 0 Georgetown Muni Airport 75 96 75 96 / 0 0 0 0 Hondo Muni Airport 73 93 73 94 / 0 0 0 0 San Marcos Muni Airport 75 96 75 95 / 0 0 0 0 La Grange - Fayette Regional 76 95 76 95 / 0 0 0 0 San Antonio Intl Airport 75 94 75 94 / 0 0 0 0 Stinson Muni Airport 75 94 75 94 / 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES

None.