textproduct: Austin/San Antonio

KEY MESSAGES

Updated at 1201 AM CDT Tue Aug 4 2026

- Dry and hot for the rest today with a combination of partly cloudy to sunny skies. Heat index values could reach Heat Advisory criteria for isolated spots of the Coastal Plains for a couple of hours.

- Continued southerly flow brings increased Gulf moisture across the local area for the rest of work week resulting in late night to morning clouds.

- With the exception of some seabreeze shower activity over the Coastal Plains late in the week, rain chances are limited through the extended forecast period.

SHORT TERM

(Tonight through Tuesday night) Issued at 1247 PM CDT Mon Aug 3 2026

If you were around the Hill Country especially the Fredericksburg and Kerrville areas this morning, then you enjoyed the lowest low temperatures in weeks. Lows got down to the low 60s over those locations. The rest of the local area observed lows in the mid to upper 60s to low 70s, which was also nice for this time of the year. Under sunny/partly cloudy skies early this afternoon with trend staying through the period, temperatures continue to go up with forecast highs ranging from the mid to upper 90s across parts of the Hill Country and southern Edwards Plateau to 100-102 elsewhere. Heat index values are forecast to stay close or slightly above the ambient temperatures. However, there are portions of the Coastal Plains where dewpoint temperatures are likely to range from the low to mid 70s resulting in index values between 108 to 110 for few hours. Since this looks to be over isolated spots, I am issuing a Special Weather Statement instead of Heat Advisory for a widespread area. Other that the heat, increased moisture begins to reach the local area overnight into Tuesday morning with some low clouds developing through the period. Clouds break mid to late morning giving way to mostly sunny to sunny skies on Tuesday. Forecast highs are very similar to those today with similar heat index values. We will monitor closely those afternoon dewpoint values in case reaching Heat Advisory criteria over a widespread area.

LONG TERM

(Wednesday through next Monday) Issued at 1247 PM CDT Mon Aug 3 2026

Continued hot and dry for the most part through the work week into the weekend. Some models indicate the seabreeze pushing across the Coastal Plains Thursday and Friday afternoons. The combination of the seabreeze and increased Gulf moisture could be enough to generate isolated showers and even an isolated thunderstorm or two over portions of the Coastal Plains.

AVIATION

(06Z TAFS) Issued at 1201 AM CDT Tue Aug 4 2026

Low stratus will develop after 07Z tonight, but should remain scattered, resulting in at least one more night of VFR ceilings. Winds have been on the breezy side this evening and will remain so through around 10Z before dropping off a bit. Winds return to 10-15 kts with gusts to 20+ kts at times Tuesday afternoon. Southeasterly flow is expected to continue along with VFR ceilings through the forecast period.

PRELIMINARY POINT TEMPS/POPS

Austin Camp Mabry 100 77 99 77 / 0 0 0 0 Austin Bergstrom Intl Airport 100 76 99 76 / 0 0 0 0 New Braunfels Muni Airport 99 76 98 76 / 0 0 0 0 Burnet Muni Airport 98 75 96 75 / 0 0 0 0 Del Rio Intl Airport 99 78 98 78 / 0 0 0 0 Georgetown Muni Airport 99 77 98 76 / 0 0 0 0 Hondo Muni Airport 97 76 97 75 / 10 0 0 0 San Marcos Muni Airport 100 76 99 76 / 0 0 0 0 La Grange - Fayette Regional 99 77 100 77 / 0 0 0 0 San Antonio Intl Airport 98 78 98 77 / 10 0 0 0 Stinson Muni Airport 99 78 99 77 / 10 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES

None.