Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 357 AM EDT Wed Oct 12 2016 Valid 12Z Wed Oct 12 2016 - 12Z Fri Oct 14 2016 ...Heavy rain possible over the Pacific Northwest and Northern California Coast... ...Temperatures will be 10 to 15 degrees below average over the Northern/Central Plains into parts of the Northern High Plains... A front extending from the Upper Great Lakes to the Southern Plains will move eastward to the Northeast/Mid-Atlantic Coast and across the interior Gulf Coast States by Thursday evening. Showers and thunderstorms will develop along and ahead of the boundary from parts of the Upper Great Lakes/Middle Mississippi Valley and into parts of the Southern Plains that will move eastward to the Lower Great Lakes across parts of the Ohio Valley into the Southern Plains by Thursday morning. The showers and thunderstorms will end over parts of the Ohio Valley/Tennessee Valley by Thursday evening. Rain will develop along the front on Thursday morning from the Northern/Central Appalachians that will move to the Northeast Coast by Thursday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php