Recent cold air outbreaks have already delivered the season’s first measurable snow to high-elevation sites, including 0.7 inches at Mount Washington, New Hampshire (October 5–6), and accumulations on Whiteface Mountain and Mount Mansfield, consistent with typical October timing for northern peaks. An approaching pattern shift driven by a deepening jet-stream trough and moisture from eastern Pacific Hurricane Rachel is forecast to produce a more substantial early-season event across the northern Rockies and adjacent plains October 10–14, with 6–12 inches possible at elevations as low as 4,000 feet and higher totals in favored upslope areas of Montana, Wyoming, Idaho, and Colorado. Strong El Niño conditions, now assessed at record odds by NOAA’s Climate Prediction Center, favor altered storm tracks that can either enhance or suppress early snow depending on moisture placement. Traders are monitoring National Weather Service and NHC model runs for confirmation of accumulation thresholds at key reporting stations, with the next major forecast updates expected mid-week.