3 days ago · Snow fell across the Washington, D.C., region this Sunday morning, and new snowfall reports from the National Weather Service show a wide range of totals across …

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 …

4 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.

5 days 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 …

Explore national winter weather forecast maps and cities impacted by snow and ice. Our 24-hour snowfall forecast feature displays an interactive map prediction of snowfall accumulation over...

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

Reston, VA snow forecast, with current conditions, historical weather, and detailed weather information for the next 10 days.

4 days ago · The National Weather Service has released some snow totals from trained spotters across Maryland and Virginia from various times this morning. Not every community has an …

What is snow? Snow is precipitation that forms when water vapor freezes. It is not frozen rain, but a crystallization of ice that typically forms in clouds.

A slight chance of snow and sleet before 4am, then a chance of sleet between 4am and 5am, then rain likely, possibly mixed with sleet after 5am. Mostly cloudy, with a low around 31.