A storm system will bring accumulating snow across the region Saturday night through Sunday morning, followed by bitter cold temperatures into early next week. View this briefing for details.

Forecasts the expected snowfall amount, snow accumulation, and with snowfall radar.

8 hours ago · A First Alert is in effect as a winter storm brings snow across the Philadelphia region Saturday night into Sunday morning. Get live updates.

Otherwise, snow typically melts seasonally, causing runoff into streams and rivers and recharging groundwater. Major snow-prone areas include the polar regions, the northernmost half of the …

1 day ago · First big snow storm to hit US as polar vortex sends coldest air yet A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast …

5 days ago · snow, the solid form of water that crystallizes in the atmosphere and, falling to the Earth, covers, permanently or temporarily, about 23 percent of the Earth’s surface.

Snowfall reports, interactive snow map, winter alerts, top snowfall, and live road cameras.

1 day ago · Note: these data are unofficial and provisional. Zip codes (where available) of observations will be included in text files after October 7, 2008.

10 hours ago · 60 million people from the Northern Plains through the Southeast are under cold weather alerts this weekend and will face dangerously cold wind chills.

15 hours ago · A winter storm will bring snow to the Philadelphia region tonight, followed by a blast of dangerous cold lasting through early next week, according to the National Weather …