GREEN BAY, WI (WTAQ) - The National Weather Service is warning of of a Winter Storm Advisory because of heavy snow being forecasted for areas northeast of Green Bay, and Wisconsin.  Green Bay’s NWS office says the advisory is in effect from 3 a.m. Wednesday morning until 6 p.m. Wednesday evening.  The mix or rain into snow could bring a total accumulation of 3 to 6 inches.  The heavy snow could also lead to power outages.  A Winter Storm Warning begins early Wednesday morning for Florence, Forest, and Langlade Counties with snow accumlatin between 4 and 7 inches.