Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 358 AM EDT Fri Oct 12 2018 Valid 12Z Fri Oct 12 2018 - 12Z Sun Oct 14 2018 ...T. S. Michael will quickly move northeastward out over the Atlantic ... ...Heavy rain possible over the Southern Plains into the Lower Mississippi Valley... ...Temperatures will be 10 to 20 degrees below average over most of the Plains and Mississippi Valley... ...Heavy snow possible over parts of the Northern/Central Plains... Tropical Storm Michael will move off the Mid-Atlantic Coast and transition to Post-Tropical as the storm races northward off the Northeast coastline. Heavy rain associated with Michael will clip parts of Southern New England through Friday afternoon. Tropical Storm Sergio will make landfall by Friday along the Baja California Coast, weakening while moving northeastward northeastern Texas by Saturday evening. Moisture associated with Sergio and moisture flowing northward out of the Western Gulf of Mexico will aid in producing rain over parts of Southern New Mexico/Western Texas overnight Friday. On Saturday morning showers and thunderstorms will move into Texas continuing to move northeastward into parts of the Lower Mississippi Valley overnight Saturday. Please refer to the NHC for the latest information on both Michael and Sergio. Meanwhile, upper-level energy over parts of the Northern/Central Plains will move eastward of the Northeast/Mid-Atlantic Coast by Saturday evening. The energy will aid in developing showers and thunderstorms over the Southern Plains that will end overnight Friday. Rain will also develop over parts of the Northern/Central Plains that will move northeastward to the Northeast/Mid-Atlantic by Saturday morning moving off the coast by Saturday evening. In addition, a front moving southeastward out of Western Canada will move to Upper Great Lakes/Upper Mississippi Valley into the Middle Mississippi Valley/Central Plains westward to the Great Basin by Saturday evening. The system will aid in producing snow and rain over parts of the Northern High Plains/Northern Plains overnight Saturday. The rain/snow will move eastward into the Upper Great Lakes/Upper Mississippi Valley by Saturday evening. Snow will develop over parts of the Northern Rockies by Saturday afternoon and into the Central Rockies/Central High Plains by Saturday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php