122 FXUS64 KEWX 260547 AFDEWXArea Forecast Discussion National Weather Service Austin/San Antonio TX 1247 AM CDT Fri Sep 26 2025
.KEY MESSAGE...
- Dry conditions the next 7 days with cool mornings and warm afternoons
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.SHORT TERM (THROUGH SUNDAY)... Upper level ridging will build into the region today and remain in place through the weekend, between troughs over the southwest and southeast U.S. Dry conditions with clear to partly skies are forecast across south-central Texas. A weak east to southeast flow resumes this evening into Saturday morning, with a very shallow moisture return forecast. Despite this, mixing will allow dew points to bottom out in the 50s Saturday and Sunday afternoons. Morning low temperatures in the 60s should be common, but low-lying valleys, especially across the Hill Country, could dip into the upper 50s. Afternoon highs will continue to run slightly above average.
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.LONG TERM (SUNDAY NIGHT THROUGH THURSDAY)... The ridge aloft briefly weakens Monday and Tuesday as the southwest U.S. trough dampens and moves east into the central CONUS. This could bring a brief increase in mid and high clouds to the region. South-central Texas will remain in a dry northwest flow aloft Wednesday through Friday, between a ridge centered over Mexico and low over the southeast U.S. Continued dry conditions and slightly warmer temperatures are forecast the latter half of the week.
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.AVIATION (06Z FRIDAY THROUGH SATURDAY)... VFR flying conditions are expected tonight through Saturday with any clouds AOA FL060. Light winds will remain mostly NE but could be shifty with decoupling. NE Winds should pick up to around 5-7 knot for most areas and maybe turn more due east late in the day, at least for the I-35 sites. Meanwhile, DRT will make the full transition to SE winds by midday.
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.PRELIMINARY POINT TEMPS/POPS... Austin Camp Mabry 65 94 66 92 / 0 0 0 0 Austin Bergstrom Intl Airport 63 93 62 91 / 0 0 0 0 New Braunfels Muni Airport 64 93 64 91 / 0 0 0 0 Burnet Muni Airport 63 89 63 87 / 0 0 0 0 Del Rio Intl Airport 70 94 69 92 / 0 0 0 0 Georgetown Muni Airport 63 91 60 89 / 0 0 0 0 Hondo Muni Airport 65 92 64 91 / 0 0 0 0 San Marcos Muni Airport 63 94 60 92 / 0 0 0 0 La Grange - Fayette Regional 63 92 60 91 / 0 0 0 0 San Antonio Intl Airport 67 93 68 91 / 0 0 0 0 Stinson Muni Airport 68 95 68 93 / 0 0 0 0
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.EWX WATCHES/WARNINGS/ADVISORIES... None.
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SHORT TERM...62/76 LONG TERM...62/76 AVIATION...18
NWS EWX Office Area Forecast Discussion