Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies.

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

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

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.

Your trusted source for the most accurate weather forecast, snow report, high-resolution weather maps, and ski conditions information.

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 …

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 …

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.