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 Northern Hemisphere, and mountainous regions worldwide with sufficient moisture and cold temperatures.
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.
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 United States for skiing and snowboarding.