The Iran deal and the appointment of Kevin Warsh as the new Fed Chair have sparked curiosity about the future of mortgage rates. The author, an expert analyst, delves into the potential impact of these events on the housing market, offering a comprehensive and insightful commentary. With the conflict with Iran seemingly resolved, the focus shifts to the Federal Reserve's actions and their influence on mortgage rates. The author highlights the importance of the upcoming Fed week, where the central bank's decisions will significantly affect the market. The current mortgage rates, at 6.58%, are already influenced by the conflict's resolution and the potential for oil prices to stabilize. The author's previous forecast predicted a peak 10-year yield of 4.60% and a corresponding mortgage rate of 6.75%, based on an improving labor market and stable inflation. The actual market performance, however, saw the 10-year yield reach 4.68% and mortgage rates peak at 6.75%. The author attributes this to the market's reaction to the conflict's intensity. With the conflict now over, the author predicts that oil prices will stabilize, and the 10-year yield should move towards the 4.46%-4.48% range, as market expectations align with the conflict's resolution. The labor market's improvement and persistent inflation further support this prediction. The upcoming Fed week is crucial, as the central bank's decisions will determine the trajectory of interest rates. The author notes that the Fed's hawkish stance, with few doves left, makes rate cuts unlikely. Instead, the focus will be on removing the easing bias and potentially hiking rates if inflation persists. The bond market's reaction to conflict news, economic data, and the Fed meeting will be a critical indicator of market sentiment. Historically, the 10-year yield's movement below 4% has been driven by labor market and economic growth concerns. However, the current mortgage spreads are more favorable, making it challenging to reach the 7% mark. The author acknowledges the positive impact of rate cuts already in place, keeping rates stable at 6% throughout 2026. Yet, the presence of Fed hawks who advocate for rate hikes adds uncertainty to the market. The author concludes by emphasizing the significant influence of Fed policy on mortgage rates, with a projected 65%-75% range determination. The year's shift from potential rate cuts to a potential rate-hike cycle further underscores the importance of the Fed's decisions. The author's best-case scenario for mortgage rates post-Fed meeting is a range of 6.25%-6.375%, with a normal base case of 6.50%-6.75%. The worst-case scenario, if the hawks dominate, could result in a 0.375%-0.435% increase over the 6.75% peak forecast, indicating a very firm economy and persistent inflation. This analysis provides a comprehensive perspective on the complex interplay between geopolitical events, economic data, and monetary policy, offering valuable insights for investors and homeowners alike.