Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 345 PM EDT Sat Apr 16 2016 Valid 00Z Sun Apr 17 2016 - 00Z Tue Apr 19 2016 ...There is a slight risk of severe thunderstorms over the Southern High Plains... ...Heavy rain possible from parts of the Northern Plains to the Southern Plains... ...Heavy snow possible over parts of the Central Rockies and parts of the Northern/Central High Plains... A deep upper-level low will be generally be stalled over the Southern/Central Rockies through Monday. Likewise, an associated front will be quasi-stationary from the Upper Midwest southward to the Southern Plains. Moisture from the Gulf of Mexico will flow northward over the Plains along and near the boundary. Showers and thunderstorms will develop along and near the front over the Southern Plains and parts of the Central Plains through Monday. Rain will develop along and near the boundary from parts of the Central Plains to the Upper Midwest through Monday, too. On Sunday night into Monday, rain will move into parts of the Upper Great Lakes. In addition, snow will develop over parts of the Central Rockies and parts of the Northern/Central High Plains also through Monday. At times higher elevation snow and lower elevation rain will develop over parts of the Southern Rockies through Monday. Elsewhere, showers and thunderstorms will develop over parts of Florida through Sunday evening as a front slowly dissipates over Southern Florida. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php