Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 331 PM EST Mon Jan 15 2018 Valid 00Z Tue Jan 16 2018 - 00Z Thu Jan 18 2018 ...Rain/freezing rain possible over parts of Texas... ...Heavy snow possible over parts of the Northeast... ...Snow possible from parts of the Lower Mississippi Valley to Mid-Atlantic... ...Temperatures will be 20 to 30 degrees below average from the Southern Plains into Ohio Valley and Middle Mississippi Valley... A front extending from the Lower Great Lakes/Ohio Valley southwestward to the Southern Plains will move to the Eastern Seaboard and dissipate while a new front develops off the East Coast by Wednesday morning. The system will produce light snow over parts of the Great Lakes into the Ohio Valley that will expand southward into parts of the Southern Plains/Lower Mississippi Valley overnight Monday. The snow will move east to the Northeast to the Central/Southern Appalachians into Lower Mississippi Valley by Tuesday evening. By Wednesday morning, the snow will move to the Northeast/Mid-Atlantic with the snow becoming heavy over the Northeast. In addition, as moisture moves northward from the Western Gulf of Mexico over the Southern Plains, rain/freezing rain will develop over parts Eastern Texas overnight Monday ending by Tuesday evening. Meanwhile, a front will move onshore over the West Coast moving inland to interior Northwest into Central California while dissipating by Tuesday afternoon. The system will produce rain along the Pacific Northwest Coast into Central California Coast on Monday evening that will expand inland, with snow developing at higher elevations, to parts of the Northern Intermountain Region/Great Basin by Tuesday afternoon. The rain will end over parts of the Pacifc Northwest and Northern California by Tuesday evening. By Wednesdsay morning, the snow over the Northern Intermountain Region/Great Basin will dissipate. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php