Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 258 AM EDT Tue Oct 05 2021 Valid 12Z Tue Oct 05 2021 - 12Z Fri Oct 08 2021 For Days 1-3, the probabilities for heavy snow (4-inches or more) or significant icing (0.25 inch or more) are less than 10 percent. Weiss