San Antonio, Texas 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

934
FXUS64 KEWX 191829
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
129 PM CDT Thu Jun 19 2025

...New DISCUSSION...

.DISCUSSION...
(Tonight through Thursday)
Issued at 127 PM CDT Thu Jun 19 2025

Key messages:

- Seasonable temperatures continue

- Low (10-30%) rain/storm chances for Today/Friday and again for
  middle of next week, focused in southern and eastern portions of
  the region

Mid-level ridging is on the move but currently is centered across
New Mexico and the Texas panhandle. Otherwise, the far outer upper
level cloud pattern from Hurricane Erick was able to extend into
South Texas. Latest satellite imagery shows cumulus cloud streaks
over our region, resulting in a partly sunny to partly cloudy sky.
Within these cloud streaks, some isolated low topped showers have
been able to establish for locations mainly along and to the south
of the I-10 and US highway 90 corridor. Mesoanalysis indicates the
PWATs were a tad higher than short term guidance had previously
forecast for entering this morning. The sea breeze later today may
help spark some additional activity as well. There could be a few
lightning strikes with the afternoon heating. Any activity then
declines after sunset. With all of this said, most locations will
still remain dry and rain free.

Friday looks to trend similar as today with isolated activity that
favors our southern and eastern most areas with streamer showers
and sea breeze development. Most locations again will stay rain
free. The weekend into Monday looks to trend as the driest stretch
through the period as a little more concentrated plume of Saharan
Dust arrives and brings in lower PWATs over the region. The middle
of next week will see the rain/storm chances gradually rise over
areas along and east of the I-35 corridor as the PWATs do rise
slightly once that plume of Saharan Dust disperses.

Little variation in the temperature department is expected through
the upcoming week with seasonable conditions. The afternoon highs
are to remain in the low to mid 90s across most locations while
overnight lows stay in the low to mid 70s. Portions of the Rio
Grande could occasionally near or top 100 degrees through the week
ahead. Heat indices will generally peak each afternoon in the mid
90s to around 105 degrees. Winds will feature light to moderate
southeast to east-southeasterly breezes through the period.

&&

.AVIATION...
(18Z TAFS)
Issued at 1220 PM CDT Thu Jun 19 2025

VFR conditions have returned over South Central Texas and will
remain though this evening before MVFR ceilings redevelop overnight
into Friday morning. Isolated showers will continue through the
afternoon which may briefly impact SAT/SSF. South to southeasterly
wind continues through the period. At I-35 sites, gusts to around 20
knots are expected through the afternoon. DRT will see gusty
conditions through tonight with gusts as high as 30 knots.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              76  95  76  96 /  10  10   0  10
Austin Bergstrom Intl Airport  76  95  75  95 /  10  10   0  10
New Braunfels Muni Airport     75  93  74  93 /  10  20   0  10
Burnet Muni Airport            74  93  73  93 /  10  10   0   0
Del Rio Intl Airport           78  99  76  97 /  10  10  10   0
Georgetown Muni Airport        75  94  75  94 /  10  10   0   0
Hondo Muni Airport             74  93  74  92 /  10  20  10  10
San Marcos Muni Airport        75  93  74  94 /  10  20   0  10
La Grange - Fayette Regional   76  93  75  93 /  10  20   0  10
San Antonio Intl Airport       76  93  76  93 /  10  20  10  10
Stinson Muni Airport           76  94  76  94 /  10  20  10  10

&&

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

$$

Short-Term...Brady
Long-Term...Brady
Aviation...27