FOUS11 KWBC 170614 QPFHSD Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 214 AM EDT Sat Oct 17 2026 Valid 12Z Sat Oct 17 2026 - 12Z Tue Oct 20 2026 The probability of significant snow and ice across the CONUS is less than ten percent Mullinax $$