Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 338 PM EST Tue Nov 22 2016 Valid 00Z Wed Nov 23 2016 - 00Z Fri Nov 25 2016 ...There is a slight risk of severe thunderstorms over parts of Eastern Texas... ...Heavy rain possible over the Northwest Coast... ...Heavy rain possible over parts of the Southern Plains/Lower Mississippi Valley... ...Snow from the Upper Great Lakes to parts of the Northeast... A storm over the Central Plains will move northeastward to the Great Lakes by Thanksgiving morning (Thursday). The system will produce rain and snow over the Northern/Central Plains and the Upper/Middle Mississippi Valley that will move to parts of the Great Lakes/Northeast by Thursday. Snow and rain will also develop over parts of the Central Rockies/Central High Plains on Tuesday evening that will end overnight Tuesday. In addition, showers and thunderstorms will develop along the associated front from the Middle/Lower Mississippi Valley and Central/Southern Plains that will retreat to the Central Gulf Coast by Wednesday evening. Rain will develop along the boundary overnight Tuesday over parts of the Middle Mississippi Valley that will move into parts of the Ohio Valley by Wednesday morning. The rain will become more showery overnight Wednesday with an area of rain showers over parts of the Mid-Atlantic/Southeast to the Central/Southern Appalachians by Thanksgiving morning. Meanwhile, another front over the West Coast will move eastward to the Central Plains/Southern High Plains by Thanksgiving. The system will produce rain and higher elevation snow over parts of the Pacific Northwest and Northern California. The rain and higher elevation snow will move eastward to the Northern/Central Rockies and the Great Basin by Wednesday evening. Snow and lower elevation rain will wind down over the Northern High Plains/Central Rockies on Thanksgiving morning. Furthermore, the snow and lower elevation rain will end overnight Wednesday over the Northern Intermountain Region/Northern Rockies and Great Basin. A third front will approach the Pacific Northwest Coast by Thursday morning as the rain and higher elevation snow continues along the Northwest into Northern California. Elsewhere, deep low just northeast of Maine will slowly moves eastward. The lake effect snow associated with the low will end by Wednesday morning. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php