National Weather Service models currently project Dallas highs on May 17 in the upper 80s, driven by a strengthening upper-level ridge that supports clear skies, strong solar heating, and southerly winds of 10-15 mph. Ensemble guidance clusters tightly around 86–89°F, with small spreads arising from uncertainties in boundary-layer moisture and possible afternoon cloud development that could alter peak readings by 1–2°F. These conditions align with typical late-spring patterns in North Texas, where ridge dominance often produces rapid daytime warming absent significant frontal passages or precipitation. Traders are weighing the latest model runs and official forecasts, which resolve to the maximum temperature recorded at Dallas Love Field.