Capital Weather Gang article mentions the possibility of frontal enhancement in its latest article as "There are also some indications that the jet stream pattern and localized fronts may help intensify snow over our region". Has 35% of 3-6 for DC, 35% 6+ for DC, 20% 1-4 because mixing issues, and 10% chance of 1-4 for DC due to missing to the south.
https://www.washingtonpost.com/weather/2025/01/02/dc-region-snow-storm-forecast-ice-winter-weather/?utm_source=twitter&utm_medium=social&utm_campaign=wp_weather