Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 302 PM EST Thu Nov 16 2017 Valid 00Z Fri Nov 17 2017 - 00Z Sun Nov 19 2017 ...Heavy rain and higher elevation snow possible over the Sierras... ...Heavy rain possible over the Lower Great Lakes/Ohio Valley... ...Temperatures will be 20 to 30 degrees above average over parts of the Central/Southern Plains and Central/Southern High Plains... A front extending from the Northern High Plains southwestward to the Great Basin will slowly move eastward the Great Lakes to parts of the Middle/Lower Mississippi Valley into the Southern Plains by Saturday. The system will produce rain and higher elevation snow over the Pacific Northwest and Northern/Central California eastward into the Northern/Central Rockies. More to Follow Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php