Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 300 AM EST Sun Jan 24 2021 Valid 12Z Sun Jan 24 2021 - 12Z Tue Jan 26 2021 ...Snow for the Cascades, Great Basin, Central/Southern Rockies, and the Southwest through Monday... ...Snow for the Upper/Middle Mississippi Valley into the Great Lakes through Sunday evening... ...Moderate to Heavy rain possible over the Middle Mississippi/Ohio Valleys into the Tennessee Valley through Monday... A cold front pushing south and east into the northern-tier states will usher in snow to the Upper Midwest and Great Lakes region today along with a wintry mix/ice to parts of Mid-Mississippi Valley. Snow near the Great is expected to taper off Sunday night into Monday. Meanwhile, scattered to widespread rain will overspread portions of the Plains, Mid/Lower Mississippi Valley and into the Ohio and Tennessee Valleys as a surface low pressure system deepens and tracks across the southern states. Moderate to heavy rainfall will likely develop in areas along and ahead of the advancing front; which may lead to flash flooding conditions. With cold air filtering into the central portion of the country, another round of mixed precip/ice is expected from the panhandles of Texas and Oklahoma east to West Virginia by Monday and to parts of the Mid-Atlantic by Tuesday. Travel may become hazardous for a couple of days. Rain and mountain snow is expected across the Pacific Northwest, California and parts of the Interior today as a Pacific cold front tracks inland. Snow will spread into the Rockies and Four Corners region tonight through Tuesday as the low pressure system deepens and continues moving east. Moderate to heavy snow is expected across the Southwest as well as parts of the Southern and Central Rockies. Campbell Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php