Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 357 AM EDT Tue Mar 29 2016 Valid 12Z Tue Mar 29 2016 - 12Z Thu Mar 31 2016 ...Heavy rain possible for parts of the Lower Mississippi Valley/Tennessee Valley... ...Heavy snow possible for parts of the Central/Northern Rockies and High Plains... A strong storm over the Great Basin will move northeastward to the Middle Mississippi Valley/Central Plains by Wednesday evening. The system will produce snow and lower elevation rain over parts of the Great Basin and Northern/Central Rockies and expanding into parts of the Northern/Central High Plains on Wednesday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php