National Weather Service forecasts for central Texas indicate sunny, dry conditions will support a daily high near 101°F on August 3, aligning with the market's heaviest weighting on the 100-101°F bin. August ranks as Austin's warmest month climatologically, with a long-term average high of 99°F, and the latest Climate Prediction Center outlook favors above-normal temperatures and below-normal rainfall for the region. Recent model guidance highlights reduced humidity and a building high-pressure pattern that favors modest warming into the low 100s on the hottest days of the current stretch, while any increase in cloud cover or isolated convection could cap readings closer to 98-99°F. Updated NWS briefings and afternoon model runs through August 2 remain the key near-term catalysts for shifts in these implied probabilities.