Heavy snow and gusty winds will impact the central and southern Rockiesinto the central Plains through tonight and Saturday......Light accumulating snowfall expected across the Midwest......Temperatures will be below average for large sections of the countrythis holiday weekend......Some rain expected to traverse the Gulf Coast states...A storm system crossing the Intermountain West will continue to bringareas of heavy snowfall to the central and southern Rockies, and also thecentral Plains g...