Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 249 AM EST Sun Jan 27 2019 Valid 12Z Sun Jan 27 2019 - 12Z Tue Jan 29 2019 ...Heavy rain possible over Southern Florida... ...Heavy snow possible over parts of the Upper Midwest into the Great Lakes... ...Temperatures will be 10 to 25 degrees below average over the Upper Great Lakes, and Upper Mississippi Valley into parts of the Ohio Valley... A storm over Georgian Bay will move northeastward into Eastern Canada by Sunday evening. The system will produce snow and lake enhanced snow over the Great Lakes into parts of the Ohio Valley that will expand into parts of the Northeast and the Central Appalachians by Sunday afternoon waning overnight Sunday. In addition, a stalled front over Southern Florida will have a wave of low pressure travel from the Gulf of Mexico to the Atlantic by Monday. The system will produce rain, heavy at times, over the Florida Peninsula through Monday morning. The rain will end by Monday afternoon. Meanwhile, another storm over West-Central Canada will move southeastward into the Northern Plains by Sunday evening and eastward into the Great Lakes/Ohio Valley by Monday evening. The system will produce rain and snow over parts of the Northern Plains into parts of the Central Plains on Sunday morning. The snow will expand into parts of the Northern Rockies and into parts of the Upper Mississippi Valley by Sunday evening. Additionally, the snow will move into the Great Lakes and Ohio Valley by Monday evening. On Monday, the snow will expand into parts of the Central Rockies before beginning to wane over the Northern/Central Rockies and the Northern Plains by Monday evening. Overnight Monday, snow will develop over parts of the Tennessee Valley and parts of the Lower Mississippi Valley. In addition, rain will develop along the associated front extending from parts of the Ohio Valley southwestward to the Lower Mississippi Valley/Western Gulf Coast by Monday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php