Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 256 AM EST Fri Feb 07 2025 Valid 12Z Fri Feb 07 2025 - 12Z Sun Feb 09 2025 ...Moderate to heavy snow across parts of the Northern Intermountain Region and the Northern Rockies... ...Moderate to heavy snow from the Northern High Plains to the Lower Great Lakes and moderate to heavy snow over parts of the Northeast... ...Rain/freezing rain from the Ohio Valley to the Mid-Atlantic on Saturday... A strong storm over the Pacific Northwest/Northern Intermountain Region will move roughly eastward to off the Mid-Atlantic/Northeast Coast by Sunday. On Friday, the system will produce moderate to heavy snow over parts of the Northern Intermountain Region/Northern Rockies. In addition, light rain and higher-elevation snow will develop over parts of California through Friday evening. By Friday afternoon, moderate to heavy snow will expand out of the Northern Rockies onto the Northern Plains and into the Upper Mississippi Valley by Friday evening. On Saturday, the moderate to heavy snow will expand out of the Upper Mississippi Valley into the Great Lakes and into the Lower Great Lakes by Saturday evening. Overnight Saturday, moderate to heavy snow will develop over parts of the Northeast into Sunday. Meanwhile, on Friday, along the eastern half of the associated boundary, light rain will develop over parts of the Lower Mississippi Valley into parts of the Tennessee/southern Ohio Valley and eastward into parts of the Mid-Atlantic. Early on Saturday morning, along the rain/snow line, light rain/freezing rain areas will develop over parts of the Central Appalachians. Also, rain will extend from parts of the Ohio/Tennessee Valley on Saturday into the Mid-Atlantic. Moreover, light rain/freezing rain will also develop over parts of the Ohio Valley and the Mid-Atlantic. Up to 0.10 inches of rain/freezing rain will develop over parts of the Northern Mid-Atlantic. Furthermore, upper-level energy will move into the Pacific Northwest on Saturday, producing coastal rain and higher-elevation snow. The snow will expand inland to the Northern Intermountain Region overnight Saturday into Sunday. Moreover, a wave of low pressure over the Central/Southern Rockies will create light snow over parts of the Central Rockies. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php