Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 313 PM EST Sun Jan 12 2020 Valid 00Z Mon Jan 13 2020 - 00Z Wed Jan 15 2020 ...Heavy snow to blanket much of the Northwest... ...Areas of showers and thunderstorms to develop over the Southeast and Lower Mississippi Valley... ...Unseasonably mild temperatures to persist across the Eastern U.S., bitterly cold in the Northern Rockies/Plains... The Northwest will have an active stretch of weather as a pair of storm systems track through the region over the next couple days. Wintry weather is the headliner with numerous Winter Storms Warnings and Winter Weather Advisories in effect from the Cascades of Washington and Oregon on east to the central Rockies. Snowfall will be measured in feet in the Cascades, the northern Sierra Nevada, northeast Oregon, northern and central Idaho, western Wyoming, north central Utah, and the Colorado Rockies. Winter Storm Watches have also been issued for the Seattle metro area as they may pickup a few inches of snow tonight. Expect treacherous and icy travel conditions in these affected areas. A frontal boundary will become quasi-stationary off the Mid-Atlantic coast and stretch southwest across the Southeast and into the Gulf of Mexico. Scattered showers and thunderstorms will form along the front and could lead to localized areas of flash flooding. Some thunderstorms could also be severe from the Southeast coast to eastern Texas. Rainfall totals through Tuesday are forecast to be highest in the southern Appalachians where amounts in excess of three inches are possible. Unseasonably mild temperatures will continue across the eastern U.S. in wake of the big weekend storm system. Record warm daily high and low temperatures will be possible in parts of the Southeast through Tuesday. Temperature anomalies on average will range between 10-20 degrees above normal across much of the South and into the Ohio and Tennessee Valleys. Further west, bitterly cold temperatures will engulf much of Montana and the western Dakotas on Monday and Tuesday. High temperatures are forecast to be below zero on Tuesday in northenr Montana and western North Dakota. Mullinax Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php