Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 300 AM EST Fri Mar 05 2021 Valid 12Z Fri Mar 05 2021 - 12Z Sun Mar 07 2021 ...Rain and thunderstorms over the Southern Plains on Friday... ...Lake effect snow downwind from the Lower Great Lakes on Friday night into Saturday... ...Rain and snow for the Northwest through Sunday morning... Low pressure over the Southern Plains will slowly move southeastward to the Gulf of Mexico by Friday night. The system will produce rain and thunderstorms over parts of the Southern Plains that will move into the Lower Mississippi Valley by Friday afternoon and into the Central Gulf Coast by Saturday morning. Rain will linger over parts of the Central Gulf Coast and the Southeast through Sunday morning. A deep upper-level low over Southeastern Canada will steer upper-level energy over the Lower Great Lakes through Sunday. The cold air will flow over the Lower Great Lakes, producing lake effect snow downwind from Lakes Erie and Ontario late Friday night into late Saturday night. Snow will extend into the Green Mountains and Adirondacks also. A front just off the Northwest Coast will slowly move inland to the Northern Plains roughly southwestward to Southern California by Sunday. The system will produce rain along the Pacific Northwest Coast on Friday morning that will move inland as snow develops over parts of the Cascades by Friday evening. Overnight Friday, rain and higher elevation snow will develop over parts of Northern/Central California that will end by Saturday evening. Overnight Saturday, snow will move into parts of the Northern Rockies into Sunday. Furthermore, gusty winds are possible over parts of Oregon and Northern California, and Wind Advisories and High Wind Warnings in effect on Friday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php