On the roadways. If you have to head out, use extreme caution and alllw plenty of time to get to your destination. Before winding down at midnight. Winter storm warning continues until 6 am tuesday. The viewing area, 46 in the center part of theviewing area, and from waterloo, oelwein and few snow showers and flurries on tuesday, but no accumulation expected. After another chance for snow showers wednesday, temperatures turn very cold as to bring snow, sleet and areas of freezing rain to the kwwl viewing areas. As the center of the storm tracks to any mixed precipitation over to snow later this evening. Snowf ll will be moderate to heavy at times, and snowfall rates could be up to 1 an hour. There will also be gusty winds to your dedetination. The snow will continue into the first half of the overnight before winding down at midnight. Winter storm warning continues until 6 am tuesday. Total snow accumulations will be center part of the viewing area, and from terloo, oelwein and elkader