| NWS Forecast for: Buchanan Dam TX Issued by: National Weather Service Austin/San Antonio, TX Last Update: 2:42 am CDT Sep 9, 2026 |  |
| Today: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Heat index values as high as 101. Calm wind becoming east southeast around 5 mph in the afternoon. Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm after midnight. Thursday: Sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming south southeast around 5 mph in the afternoon. Thursday Night: Partly cloudy, with a low around 73. South southeast wind around 5 mph. Friday: Sunny, with a high near 98. Calm wind becoming south around 5 mph in the afternoon. Friday Night: Mostly clear, with a low around 74. South southeast wind around 5 mph. Saturday: Sunny and hot, with a high near 99. South wind 5 to 10 mph. Saturday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Sunday: Sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 20 mph. Sunday Night: Mostly clear, with a low around 73. Monday: Sunny, with a high near 98. Monday Night: Mostly clear, with a low around 73. Tuesday: Sunny, with a high near 98. | |
| Buchanan Dam TX 30.8°N 98.44°W (Elev. 1017 ft) | |
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