FOUS11 KWBC 160621 QPFHSD Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 221 AM EDT Fri Oct 16 2026 Valid 12Z Fri Oct 16 2026 - 12Z Mon Oct 19 2026 The probability of significant snow and ice across the CONUS is less than ten percent Mullinax $$