Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 351 PM EDT Wed Mar 15 2017 Valid 00Z Thu Mar 16 2017 - 00Z Sat Mar 18 2017 ...Lake effect snow downwind from the Lower Great Lakes... ...Temperatures will be 10 to 20 degrees below average over most of the eastern third of the country... Deep low over Northern Maine will slowly move northeastward to the Davis Strait by Friday. Strong gusty wind associated with the storm will fade overnight Thursday. In the wake of the storm, lake effect snow will wind down by Friday morning. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php