Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 318 AM EDT Sun Oct 27 2024 Valid 12Z Sun Oct 27 2024 - 12Z Tue Oct 29 2024 ...Scattered light rain will develop over the Carolinas... ...Rain and higher elevation snow over parts of the Northeast Sunday night... ...Rain moves into the Northwest and light snow over the higher elevations of the Western States... A front lingering along the Gulf Coast States will slowly dissipate by Monday. Upper-level impulses over the Ohio and Lower Mississippi Valleys will produce scattered rain over parts of the Lower Mississippi Valley through late Sunday morning. In addition, upper-level dynamics will develop light rain over parts of the Carolinas early Sunday through early Monday morning. Furthermore, onshore flow off the Atlantic will create scattered rain over parts of Florida from Monday afternoon through Tuesday. Meanwhile, a front over the Pacific Northwest will move inland to the Upper Mississippi Valley to the Central Plains and then to the Southwest by Tuesday. The storm will produce rain over parts of the Pacific Northwest and Northern California through Sunday afternoon. Onshore flow off the Pacific will produce rain over the Pacific Northwest and Northern California through Monday night. As the front passes over the Northwest into the Great Basin, scattered light snow will develop over the highest elevations of the Cascades, the Sierra Nevada Mountains, the Northern Intermountain Region, and the Great Basin through Tuesday. As the leading edge of the boundary moves into the Upper Midwest, rain with embedded thunderstorms will develop over parts of the Great Lakes from Monday evening into Tuesday. Furthermore, ahead of the front, temperatures will be 10 to 25 degrees above average over the Plains. Elsewhere, a front will move southward out of Central Canada on Sunday, advancing into the Northeast by Sunday evening and then out over the Atlantic. This front will produce scattered rain and snow over the higher elevations of the Northeast through early Monday morning. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php