Updated: 1:09 p.m. Snow that started Tuesday, and lasted all day Wednesday, kept falling overnight and into Thursday across a wide swath of southern and eastern Minnesota. The seemingly never-ending winter storm meant a third day of shoveling, travel headaches and school disruptions across the region — and a third day of building up the snowpack for skiing, snowmobiling, sledding and other winter activities. The official storm total at Minneapolis-St. Paul International Airport stands at 15.0 inches — making it the 14th-greatest snowfall on record in the Twin Cities. The snow total so far this winter at MSP now is 48.1 inches — nearly 28 inches above normal. Light snow…