Snow likely, mainly before 1am. Patchy fog before 1am. Otherwise, cloudy, with a low around 20. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

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

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 …

22 hours ago · An overview with discussion and images of snow around the country

3 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.

How snow forms Snow is an accumulation of packed ice crystals, and the condition of the snowpack determines a variety of qualities, such as color, temperature, and water equivalent. As weather …

Nov 28, 2025 · Snowfall patterns are shifting as the climate warms, with many regions already seeing declines. These shifts impact water supply, ecosystems, winter recreation and hydropower …

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...

Snow forecast map for United States showing snow accumulation over the next 10 days and past 7 days, plus snow reports, live weather conditions and webcams. Find the best snow conditions in …

Snow Today updates daily images on snow conditions and relevant data, and also provides monthly scientific analyses from January to May, or more frequently as conditions warrant.