Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 253 AM EST Mon Jan 27 2020 Valid 12Z Mon Jan 27 2020 - 12Z Wed Jan 29 2020 ...Series of storm systems to cause soaking rainfall and snowy conditions across the Northwest... ...Snow spreads into the Rockies with light wintry weather in parts of the Plains Monday into Tuesday... ...Lake effect snow and north-central Appalachians snow showers to stick around through Monday... The Pacific Northwest to the Northern Rockies will remain downwind of an active jet stream pattern as Pacific moisture associated with multiple upper-level disturbances and surface fronts push through the first half of the week. The coastal ranges and valleys of the Pacific Northwest could see locally heavy rainfall above 3 inches through Wednesday morning. Higher elevations of the Cascades should see snowfall amounts over a foot, while the Northern Rockies and Wind River Mountains/Tetons may see snow approaching a foot in the higher elevations. An upper-level disturbance diving southeast from the Pacific Northwest will generate precipitation across the Great Basin and Central/Southern Rockies through Monday morning, followed by the High Plains Monday evening as a low pressure system develops. By Tuesday morning, rain showers and some thunderstorms will engulf much of central and eastern Texas, but a wintry mix of snow and freezing rain is possible for the Texas Panhandle and portions of Oklahoma northward into the Central Plains. Snow and freezing rain amounts will generally be light but could still lead to slick travel conditions in spots. Due to a couple cold fronts associated with this low pressure system, high temperatures on Tuesday could be more than 20 degrees colder than Monday across Oklahoma and west Texas. Farther east, lake effect snow showers will continue today and into Monday night across the eastern Great Lakes. Additionally, westerly upslope flow will will produce snow showers over the higher elevations of the Central Appalachians and the Green Mountains. The Southeast will see rain showers make their way through the region today with parts of the Southern Appalachians potentially experiencing a wintry mix this morning. Mullinax Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php