415
FXUS64 KEWX 120514
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
1214 AM CDT Tue May 12 2026

...New SHORT TERM, LONG TERM, AVIATION...

.KEY MESSAGES...

- Dry conditions for the next several days with increasing warmth and
  humidity by the end of the workweek

- Elevated heat indices and a return of lower end rain and storm
  chances from late weekend into the start of next week

&&

.SHORT TERM...
(Today through Wednesday)
Issued at 1209 AM CDT Tue May 12 2026

An upper level ridge pattern across the four corners region into the
southern Plains keeps the local area dry for the next couple of
days. By Thursday morning, the upper level ridge weakens and
flattens as several short wave disturbances travel through the
southern Plains into the latter part of the work week, however,
continued dry. At the surface, light northerly and easterly winds
remain for most of the day on Tuesday, however, winds shift to the
southeast Tuesday evening into Wednesday morning as a surface high
pushes away and to the northeast of the local area. The southerly
flow brings back the upper 80s to lower 90s for highs on Wednesday
and Thursday.

&&

.LONG TERM...
(Wednesday night through Monday)
Issued at 1209 AM CDT Tue May 12 2026

Continued dry and warm for Friday, however, increased moisture could
result in more clouds late night into the morning period. The
weather forecast for the upcoming weekend is calling for highs in
the upper 80s across the Hill Country to mid and upper 90s across
the southern Edwards Plateau and the Rio Grande Plains. As far as
rain chances for Saturday, medium range models have very low
probabilities (less than 20 percent), however, there are better
chances for rain Sunday night through Monday afternoon (20-50
percent).

With the increase of moisture levels and highs in the 90s along the
Rio Grande Plains on Sunday, heat index values are forecast to range
from 100 to 108. Monday`s heat indices are very similar. For the
rest of South Central Texas, heat index values are forecast to range
from the upper 90s to 104.

&&

.AVIATION...
(06Z TAFS)
Issued at 1209 AM CDT Tue May 12 2026

Besides a low chance for some light fog at KAUS near daybreak, VFR
conditions are expected. Wind will be light persisting from the
southeast at KDRT through the period. At I-35 terminals, light
wind will persist from the northeast though the afternoon, veering
overnight into Wednesday morning.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              86  64  90  67 /   0   0   0   0
Austin Bergstrom Intl Airport  85  63  90  66 /   0   0   0   0
New Braunfels Muni Airport     86  62  90  65 /   0   0   0   0
Burnet Muni Airport            83  61  88  65 /   0   0   0   0
Del Rio Intl Airport           88  66  92  68 /   0   0   0   0
Georgetown Muni Airport        83  62  89  66 /   0   0   0   0
Hondo Muni Airport             87  63  91  64 /   0   0   0   0
San Marcos Muni Airport        85  62  90  64 /   0   0   0   0
La Grange - Fayette Regional   83  63  88  66 /   0   0   0   0
San Antonio Intl Airport       87  64  91  65 /   0   0   0   0
Stinson Muni Airport           87  65  91  66 /   0   0   0   0

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

SHORT TERM...17
LONG TERM....17
AVIATION...27