Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 354 PM EDT Sat Oct 12 2019 Valid 00Z Sun Oct 13 2019 - 00Z Wed Oct 16 2019 Days 1-3... ...Early Season Blizzard on the Northern Plains Winds Down Through Tonight... ...Northern Plains to western Great Lakes... The low pressure that caused the early season blizzard over ND will slowly weaken as it drifts east over northern MN tonight. Snow rates will continue decrease as the low fills. Light snow with local Lake Superior enhancements are expected over the the arrowhead of MN and northern WI/MI through tonight as the core of cold air aloft crosses. This tapers as low pressure departs into Canada on Sun. ...Western Montana... An open trough crosses the southern Canadian Rockies Sunday night with residual Pacific moisture aiding potential localized heavy snow over portions of northwest MT. Snow elevations would be above 5000ft, so little impact is expected with this progressive trough passage. The probability of significant icing is less than 10 percent Days 1-3. The probability of heavy snow is less than 10 percent Days 1-3. Jackson