Just for chuckles I'm looking at the relatively useless 18z gfs more closely. coarse-grid gfs total qpf is roughly 1-1.5" for that system here
http://mag.ncep.noaa.gov/data/gfs/18/conus/precip_p60/gfs_conus_300_precip_p60.gif
This is all snow, though? And how readily would it accumulate? Ahhh entirely pointless but hopefully there's a decent storm!