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
- Warm and humid Monday.
- Chances for showers and thunderstorms return Tuesday through Saturday.
SHORT TERM
(Tonight through Monday night) Issued at 121 PM CDT Sun May 31 2026
A low amplitude upper level ridge extends from the Gulf to the Great Lakes with flow from the west-southwest over TX. Low level flow is from the southeast. The airmass over South-Central Texas remains warm and moist. Temperatures across our CWA were in the low to mid 80s and dewpoints from the upper 60s to the mid 70s. The upper pattern will remain about the same through the short term period. This should suppress any convection and keep the weather dry. The airmass will remain warm and moist. Overnight lows tonight and tomorrow night will be mostly in the 70s. Highs on Monday will be from the upper 80s to middle 90s.
LONG TERM
(Tuesday through next Sunday) Issued at 121 PM CDT Sun May 31 2026
Tuesday the ridge will begin to break down. Deeper moisture will surge into the region increasing PW values. The increased moisture and the weakening subsidence will allow showers and thunderstorms to form during the afternoon and evening starting Tuesday and then each afternoon and evening through Saturday. This pattern is looking very summer-like. It should be ordinary convection with only moderate rainfall and wind gusts. Thursday and Friday look to have the best chances for convection.
AVIATION
(00Z TAFS) Issued at 607 PM CDT Sun May 31 2026
Overnight MVFR/IFR cloud deck with CIGs generally FL005-FL015 will begin to spread across the area mainly after 06Z. Forecast moisture is higher than prior nights, so cloud cover will likely be greater and confidence is higher in lowered CIGs regionwide. Have maintained the forecast IFR CIGs at KSAT/KSSF and MVFR CIGs at KAUS/KDRT, but could see a window of IFR at KAUS around 10Z-14Z before CIGs improve at all sites. Prevailing wind should have a more easterly component in the afternoon with speeds generally 6-14 kt.
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 74 94 75 94 / 0 0 0 20 Austin Bergstrom Intl Airport 75 93 75 94 / 0 0 0 20 New Braunfels Muni Airport 73 91 73 92 / 0 0 0 20 Burnet Muni Airport 72 90 73 91 / 0 0 0 20 Del Rio Intl Airport 75 95 77 95 / 0 0 0 0 Georgetown Muni Airport 73 93 74 93 / 0 0 0 20 Hondo Muni Airport 73 90 74 90 / 0 0 0 10 San Marcos Muni Airport 74 92 74 93 / 0 0 0 20 La Grange - Fayette Regional 75 92 75 93 / 0 0 10 20 San Antonio Intl Airport 74 91 74 92 / 0 0 0 20 Stinson Muni Airport 74 91 75 92 / 0 0 0 20
EWX WATCHES/WARNINGS/ADVISORIES
None.
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