Our Past 24 Hour Snowfall interactive map displays how much new snow has accumulated over the last 24 hours.

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 …

November brings to mind family, food and chillier temperatures. But Mother Nature may be serving up something a little different this year. Much of the country is forecast to see above …

Oct 29, 2025 · 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.

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of …

Oct 24, 2025 · Snowfall patterns are shifting as the climate warms, with many regions already seeing declines. These shifts impact water supply, ecosystems, winter recreation and …

Jun 3, 2025 · Use the Snow Today interactive data viewer to explore current various aspects of snow conditions and how they compare to past years. Each snow season, our scientists write …

Jul 31, 2025 · Realtime and historical snow and climate data Unveil the Insights Hidden in Snow with Our Interactive Map.

12 hours ago · The map above will show how much snow has fallen over the last three days. And this page will update regularly, so you can return here after a storm to see how accurate the …

Feb 26, 2025 · The following charts depict in a 4-panel format the final forecast of the probabilities of snow reaching or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching …