Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 408 PM EDT Wed Oct 25 2017 Valid 00Z Thu Oct 26 2017 - 00Z Sat Oct 28 2017 ...Heavy rain possible for New England... ...Wet snow for the Upper Mississippi Valley/Upper Great Lakes... A front extending from the Northern Plains westward to the Pacific Northwest will move southeastward to the Upper Great Lakes/Upper Mississippi Valley then roughly southward to the Lower Mississippi Valley/Southern Plains by Friday. Light rain will develop over parts of the Pacific Northwest that will end overnight Wednesday. Also overnight Wednesday, rain and higher elevation snow will develop over parts of the Northern Rockies/Northern High Plains that will change over to all snow by Thursday morning. The snow will move into the Central Rockies by Thursday afternoon that will end overnight Thursday. In addition, rain and wet snow develop over parts of the Northern Plains/Upper Mississippi Valley and the Upper Great Lakes on Thursday afternoon that will end over the Northern Plains overnight Thursday. Rain will expand more over the Great Lakes while areas of wet snow and rain will continue over parts of the Upper Great Lakes/Upper Mississippi Valley through Friday. Meanwhile, upper-level energy over the Great Lakes into the Southern Appalachians will move northeastward into Northern New England by Friday. The energy will aid in developing rain over parts of the Great Lakes/Ohio Valley into the Central Appalachians that will end overnight Wednesday. Additionally, rain will develop along and near the associated front over New England that will begin to wane on Friday. Rain along the boundary will be heavy at times. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php