Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 342 AM EDT Sat Mar 28 2015 Valid 12Z Sat Mar 28 2015 - 12Z Mon Mar 30 2015 ...Light snow over parts of the New England Coast... ...Temperatures will be 10 to 25 degrees below average from parts of the Lower Mississippi Valley to the Mid-Atlantic and the Lower Great Lakes... A front extending from the Northern Rockies/Great Basin will move eastward to the Upper Great Lakes/Middle Mississippi Valley and the Southern Plains by Sunday evening. The system will produce rain over parts of the Northern Rockies that will move eastward to the Upper Mississippi Valley/Northern Plains by late Saturday night. The storm will tape into some moisture from the Gulf of Mexico overnight Saturday allowing the rain to expand and move southeastward to the Ohio/Tennessee Valleys by Sunday evening. In addition, an area of showers and thunderstorms will develop over parts of the Lower Mississippi Valley also by Sunday evening. Furthermore, light snow will develop over parts of the Upper Great Lakes by Sunday morning that will move into parts of the Lower Great Lakes by Sunday evening. Elsewhere, an area of rain and snow will taper off over parts of the Middle/Lower Mississippi Valley by Saturday afternoon. Additionally, low pressure off the Mid-Atlantic Coast will move northeastward to the eastern tip of Newfoundland by late Saturday night. As the storm moves away, pockets of rain and snow over parts of the Carolina Coast to parts of New England Coast will taper off by early Sunday morning. Over the Pacific Northwest Coast, weakening onshore flow will produce rain over the Northwestern section of Washington State through Sunday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php