10AM Thursday, December 4
A light snow event will likely impact the DC area tomorrow morning, but there’s a lot of uncertainty as to how far north into central MD the snow will get. Yesterday I thought the start time would be around noon, but now it seems that precipitation will arrive in the DC area around sunrise. Although it will be a light event, surface temperatures are forecasted to be below freezing, so where it does snow, travel could become dicey.
As of now, the northern extent that has the best chance of seeing snow is as far north as along I-70 including Howard county, southern Baltimore county, and Baltimore City. The chances aren’t great, maybe 50/50, but if it does snow in those areas, start time looks to be around 8AM.
I’ll update later this afternoon or evening.
The Weather Mill 