If a snow emergency is declared in Hopkins during the afternoon or early evening, tagging and towing enforcement will normally begin at 9 p.m. and crews will begin plowing shortly after midnight. However, depending on the snow fall, tagging and towing could begin earlier. The Snow Line, 952-939-1399, will have the actual time. When a snow emergency is declared after 9 p.m., tagging and towing operations will begin at 8 a.m. on the following day.