Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 353 AM EDT Mon Mar 30 2015 Valid 12Z Mon Mar 30 2015 - 12Z Wed Apr 01 2015 ...Temperatures will be 10 to 20 degrees above average over parts of the Northern/Central Plains... ...Snow for parts of the Lower Great Lakes into Northern New England... A front extending from the Lower Great Lakes to the Central/Southern Appalachians then southwestward to the Southern High Plains will move eastward off the East Coast by early Tuesday morning. The system will produce light snow over parts of the Lower Great Lakes into Northern New England through late Monday night. Rain will develop over parts the Southeast into the Mid-Atlantic Coast that will move eastward off the coast by Monday evening. Showers and thunderstorms will develop over parts of the Central Gulf Coast that will expand into parts of the Southeast by Monday evening before ending later Monday night. A second front over Ontario will move southeastward to the Northeast Coast/Ohio Valley to the Northern Plains by Tuesday evening. The boundary will aid in producing rain over parts of the Northern Plains/Upper Mississippi Valley on Monday. Rain and snow will develop over parts of the Great Lakes on Tuesday morning with rain moving into parts of the Northern Mid-Atlantic Coast by Tuesday evening. A third front will move onshore over the Pacific Northwest overnight Monday moving inland to the Northern High Plains/Great Basin by Tuesday evening. Post frontal onshore flow will aid in producing light to moderate rain over parts of the Pacific Northwest on Tuesday. Snow levels will lower after the front passes aiding in the development of light snow over parts of the Northern Rockies by Tuesday evening. Rain will also develop over parts of the Northern High Plains on Tuesday evening, too. Elsewhere, upper-level energy will aid in producing showers and thunderstorms over parts of the Southern Plains into parts of the Central Gulf Coast on Tuesday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php