Overnight hours and into the day tomorrow. Timing is critical on this. A lot depends on when we see the changeover from rain to sleet to snow. If it happens sooner that means that were going to see more snow around the metro area. If it happens later, that means less amounts of snow and more sleet. Anyway you look at it its going to get cold around here. Still expect a lot of delays come tomorrow. The timeline for you coming up in a few minutes. Leon . Ok, steve. Crews are gearing up to try to keep the roads clear once that snow starts to fall. The Virginia Department of transportation plans to have about 3800 trucks treating the roads in northern virginia. The Maryland Department of transportation state Highway Administration will have more than 2400 pieces of equipment working statewide. And the district will have more than 200 snow trucks on the roads by 2 00 a. M. The city is putting a new snow emergency into effect at 7 00 a. M. We are now opening the last box. At d. C. The pile o