National Weather Service and NOAA model guidance indicate that a lingering upper-level low over the western U.S. combined with residual moisture and a southward-moving cold front will drive scattered showers and isolated thunderstorms across portions of the central and eastern United States on October 12. Short-range forecasts show the highest precipitation probabilities shifting from the Midwest and Ohio Valley overnight into the Northeast by midday, with lighter activity possible along the mid-Atlantic coast, while drier high-pressure conditions dominate the West and much of the South. Ensemble consensus from the Global Forecast System and European Centre for Medium-Range Weather Forecasts highlights moderate uncertainty in exact rain totals and boundaries due to frontal timing and orographic enhancement near the Appalachians. Updated model runs and NWS short-term forecasts issued later on October 11 will provide the key data releases for refining location-specific probabilities ahead of market resolution.