textproduct: Austin/San Antonio

KEY MESSAGES

- Cool and dry with temperatures in the mid 40s to low 50s around midnight for New Year's.

- Warmer temperatures to start 2026 with dry weather continuing.

SHORT TERM

(Tonight through Thursday night) Issued at 1124 PM CST Tue Dec 30 2025

Expect a pretty chilly start for those waking up early this morning with many waking up to overnight lows in the upper 20s to mid 30s. We warm up pretty quickly with many seeing highs in the mid to upper 60s with some spots touching 70. This is due in part to the cold airmass that has been over us the past couple days pushing off to the east and the combination of the return of southerly to southwesterly flow. For your New Years Eve forecast when the clock hits midnight and 2026 arrives, we expect temps to be cool with many already in the mid 40s to low 50s. Expect temps to continue decreasing overnight with many waking up to lows into the upper 30s to low 40s by sunrise on New Year's Day. We quickly warm up with the upper level ridge moving overhead allowing temps to really ramp up with many areas topping out in the mid to even upper 70s which is once again well above normal for this time of year.

LONG TERM

(Friday through next Wednesday) Issued at 1124 PM CST Tue Dec 30 2025

For the long term expect this upper level ridge to become established over us leading to a return to well above normal temperatures yet again. With the additional enhancement of warm southwest flow due to a weak shortwave we could see many areas break there daily records as high temperatures soar into the low to even mid 80s. We then see the passage of a weak front thats in association with the aforementioned shortwave pass over the area Friday night or early Saturday that looks to do not much of anything except give us a change in wind direction and decrease temps just a bit. After this front moves through we see the return of mid level ridging allowing temperatures across the region to once again return to well above normal and even possibly into record territory, as well as helping to keep us dry throughout the remainder of the forecast period.

AVIATION

(12Z TAFS) Issued at 522 AM CST Wed Dec 31 2025

Some high level cirrus are streaming over the area early this morning, but the trends appear to be weakening. Winds will be light as well. Will keep a few extra change lines in to track the gradual switch of wind directions in case there's a period when they might briefly increase to 7-10 knots.

PRELIMINARY POINT TEMPS/POPS

Austin Camp Mabry 69 44 75 57 / 0 0 0 0 Austin Bergstrom Intl Airport 68 40 74 54 / 0 0 0 0 New Braunfels Muni Airport 67 41 73 53 / 0 0 0 0 Burnet Muni Airport 67 42 73 54 / 0 0 0 0 Del Rio Intl Airport 68 44 75 51 / 0 0 0 0 Georgetown Muni Airport 68 42 74 57 / 0 0 0 0 Hondo Muni Airport 67 40 73 49 / 0 0 0 0 San Marcos Muni Airport 69 40 74 53 / 0 0 0 0 La Grange - Fayette Regional 68 41 74 57 / 0 0 0 0 San Antonio Intl Airport 66 44 73 55 / 0 0 0 0 Stinson Muni Airport 68 43 74 53 / 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES

Freeze Warning until 8 AM CST this morning for TXZ204-219>222.