Area Forecast Discussion
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
508 FXUS64 KEWX 100621 AFDEWX Area Forecast Discussion National Weather Service Austin/San Antonio TX 1221 AM CST Wed Dec 10 2025 ...New SHORT TERM, LONG TERM, AVIATION... .KEY MESSAGES... - Temperatures up and down the next couple of days. Then above normal for the end of the week. - Dry weather for most of South-Central Texas. && .SHORT TERM... (Today through Thursday) Issued at 1214 AM CST Wed Dec 10 2025 An upper level ridge moving onto the west coast will bring northwesterly flow to Texas than will continue through the short term period. A weak cold front will race through our CWA today, but will not bring any rain. Ahead of the front temperatures will warm into the 70s across most of the area. Winds behind the front will turn to the north or northeast and increase to 15-20 mph with gusts up 25 mph across the northern half of the CWA. Winds will decrease as the front moves away during the evening. Cooler, drier air will move in with low temperatures Thursday about the same or a couple of degrees cooler than today. Wile the low level flow will switch around to the south through southeast Thursday it will still be cooler with highs in the 60s and 70s. && .LONG TERM... (Thursday night through Tuesday) Issued at 1214 AM CST Wed Dec 10 2025 Southerly flow in the low level will bring warmer air back to region. High temperatures Friday and Saturday will be well above normal in the middle to upper 70s over most of the CWA. Sunday another cold front will will drop temperatures once again. There may be enough moisture in the Rio Grande region for the front to generate some showers or even a thunderstorm, but chances are only 20%-30% Sunday. There will be breezy northeasterly winds behind the front Sunday afternoon. Temperatures will be cool again Monday. Tuesday an upper level shortwave trough will bring another chance for rain. This time to the eastern half of the area, but again only 20% chance. && .AVIATION... (06Z TAFS) Issued at 1214 AM CST Wed Dec 10 2025 Majority of the region remains VFR through the period, including the TAF sites. The exception will be across the coastal plains where some patchy fog and low ceilings develop. This remains to the east of the I-35 terminals (KAUS, KSAT, and KSSF) but have elected to introduce a few low clouds near/after sunrise. A weak cold front pushes through midday, resulting in a northerly wind shift and increase in wind speeds. Gusts reach into the 20 to 25 kt range through the afternoon. Winds should gradually diminish beyond sunset. && .PRELIMINARY POINT TEMPS/POPS... Austin Camp Mabry 70 41 70 50 / 0 0 0 0 Austin Bergstrom Intl Airport 71 40 70 49 / 0 0 0 0 New Braunfels Muni Airport 72 41 69 49 / 0 0 0 0 Burnet Muni Airport 66 38 68 48 / 0 0 0 0 Del Rio Intl Airport 76 42 71 46 / 0 0 0 0 Georgetown Muni Airport 68 37 69 49 / 0 0 0 0 Hondo Muni Airport 75 39 70 46 / 0 0 0 0 San Marcos Muni Airport 73 39 70 49 / 0 0 0 0 La Grange - Fayette Regional 72 40 69 51 / 0 0 0 0 San Antonio Intl Airport 73 43 69 51 / 0 0 0 0 Stinson Muni Airport 75 43 70 51 / 0 0 0 0 && .EWX WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...05 LONG TERM....05 AVIATION...62