Persistent high pressure and a heat dome over Texas are sustaining clear skies and strong solar heating across Austin, driving afternoon temperatures toward the century mark amid typical August dew points in the mid-70s. National Weather Service guidance places the daily high near 100°F, with limited model spread and minimal cloud cover or precipitation chances keeping the outcome tightly contested between 98–99°F and 100–101°F. Slight differences in boundary-layer mixing, wind direction, or the timing of any weak front could tip the balance, while climatological normals near 96–98°F provide context for why traders assign meaningful probability to both bins. Updated NWS briefings and real-time observations at Austin-Bergstrom remain the key near-term catalysts.