Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 257 PM EST Sun Nov 20 2016 Valid 00Z Mon Nov 21 2016 - 00Z Wed Nov 23 2016 ...Heavy lake effect/lake enhanced snow downwind from Lake Ontario... ...Potential for freezing rain/mix precipitation for the Upper Mississippi Valley/Middle Missouri Valley... Deep low pressure near Northern New England will slowly fill through Tuesday. Lake effect/lake enhanced snow will develop over the Lower Great Lakes into parts of the Northern/Central Appalachians and New England that will begin to wind down on Tuesday. Rain will also develop over parts of Eastern Maine through Monday evening. Overnight Monday, the rain over Eastern Maine with change over to snow with pockets of rain mixed in near the coast on Tuesday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php