936 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 $$