textproduct: Austin/San Antonio

KEY MESSAGES

Updated at 1233 PM CDT Sat Oct 17 2026

- Lighter winds this afternoon to light and variable winds later tonight into Sunday morning. Cooler morning of the fall season awaits overnight/early Sunday morning

- Cooler air remains through the Monday morning with temperatures reaching back the 80s and 90s later in the week with no rain through the extended forecast period

SHORT TERM

(Tonight through Sunday night) Issued at 1141 AM CDT Sat Oct 17 2026

The wind continues to relax late this morning with northerly wind speeds ranging from 7 to 15 mph and gusts as high as 21 mph as of 11:55 AM. This trend is forecast to continue into the afternoon with winds coming down to 10 mph or less by 3 PM. High clouds are likely to stay around for the rest of today and through the evening and even into Sunday as high level moisture arrives from the eastern Pacific via central and northeast Mexico. Today's highs are forecast to reach the low 60s over parts of Val Verde County and southern Edwards Plateau with mid to upper 60s and low 70s across the northern Hill County, I-35 corridor, and Coastal Plains. As mentioned above, winds are become lighter and even calm and variable overnight setting up the scenario for the cooler morning thus far this fall season. Overnight lows are forecast to drop to the upper 30s across some locations over the Hill Country and southern Edwards Plateau while the I-35 corridor reaches the mid to upper 40s. The warmest region is the southern Coastal Plains area with low 50s.

After a cool start of the day, temperatures climb into the low to mid 70s across most locations across South Central Texas with the return of an east to southeast flow at low levels. Increased moisture continues to arrive across the local area in the evening through the overnight hours resulting in a scattered to broken high cloud deck. Overnight Monday morning lows are forecast to reach the mid to upper 40s to mid 50s areawide.

LONG TERM

(Monday through next Saturday) Issued at 1141 AM CDT Sat Oct 17 2026

An upper level ridge dominates the local area for the extended forecast period with no rain expected through next weekend. However, the cooler temperatures come to an end for this period with high temperatures back into the low to mid 80s by Tuesday and warning into the upper 80s to mid 90s along the I-35 corridor, Coastal Plains, and Rio Grande by Friday.

AVIATION

(18Z TAFS) Issued at 1233 PM CDT Sat Oct 17 2026

VFR conditions and light winds generally below 10 kt will continue through today and tonight, with gusts lessening this afternoon. The only noteworthy variation in conditions will be a broad shift in prevailing winds towards an easterly or southeasterly flow Sunday.

PRELIMINARY POINT TEMPS/POPS

Austin Camp Mabry 49 74 52 78 / 0 0 0 0 Austin Bergstrom Intl Airport 47 74 50 78 / 0 0 0 0 New Braunfels Muni Airport 47 73 51 77 / 0 0 0 0 Burnet Muni Airport 46 71 49 75 / 0 0 0 0 Del Rio Intl Airport 48 71 52 78 / 0 0 0 0 Georgetown Muni Airport 46 73 49 77 / 0 0 0 0 Hondo Muni Airport 43 73 53 78 / 0 0 0 0 San Marcos Muni Airport 45 74 50 79 / 0 0 0 0 La Grange - Fayette Regional 47 75 51 80 / 0 0 0 0 San Antonio Intl Airport 47 73 54 77 / 0 0 0 0 Stinson Muni Airport 48 74 54 78 / 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES

None.