textproduct: Austin/San Antonio

KEY MESSAGES

- Lingering showers and thunderstorms will move off to east today.

- Warmer and drier weather Thursday and Friday.

- Rain chances return over the weekend and continue into next week.

SHORT TERM

(Today through Thursday) Issued at 115 AM CDT Wed May 27 2026

There is a deep upper low over northern CA/NV with broad cyclonic flow over Texas. A line of thunderstorms is moving through the eastern part of the CWA. The blended model solution shows low to moderate rain chances across our eastern counties today and this evening. The upper shortwave will move away to the east and a weak ridge will take its place. This will bring dry weather for tonight and most of the area Thursday. Southeasterly flow in the low levels will keep PW above 1.25" and there may be enough lift to generate isolated showers or thunderstorms over the I-35 Corridor and Coastal Plains, but we think most places will stay dry.

LONG TERM

(Thursday night through Tuesday) Issued at 115 AM CDT Wed May 27 2026

The upper low over the west will begin to lift out toward the northeast Friday and bring southwesterly flow over TX for the weekend. The low level flow will continue to be from the southeast. This will bring a warm, moist airmass over our CWA. A series of upper level shortwaves will bring chances for showers and thunderstorms each afternoon Saturday through Tuesday. At this time nothing looks well organized, strong, or heavy rain producing. We will see what later forecasts show.

AVIATION

(12Z TAFS) Issued at 622 AM CDT Wed May 27 2026

Convection primarily over the coastal plains may aid in a brief shower near KSSF this morning. For now, will keep VCSH in the forecast for the next few hours. A rumble of thunder also possible, but not confident enough to mention in the forecast at this time. Otherwise, some low clouds are beginning to develop beneath the thick mid and upper level clouds over the region. While most cigs should be MVFR, we did opt for some IFR at KSAT. VFR should return by late morning as mid and upper level clouds slowly clear.

PRELIMINARY POINT TEMPS/POPS

Austin Camp Mabry 82 71 88 72 / 20 20 20 10 Austin Bergstrom Intl Airport 82 71 88 73 / 20 20 20 10 New Braunfels Muni Airport 83 70 88 71 / 20 20 20 10 Burnet Muni Airport 81 68 86 70 / 20 10 10 0 Del Rio Intl Airport 86 71 91 74 / 10 10 10 10 Georgetown Muni Airport 81 69 86 71 / 30 20 20 0 Hondo Muni Airport 84 70 86 72 / 10 10 10 10 San Marcos Muni Airport 82 70 88 72 / 20 20 20 10 La Grange - Fayette Regional 83 70 87 72 / 40 20 20 10 San Antonio Intl Airport 83 72 88 73 / 30 20 20 10 Stinson Muni Airport 84 72 88 73 / 30 10 20 10

EWX WATCHES/WARNINGS/ADVISORIES

None.