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 …

Mar 18, 2026 · 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.

Enter ZIP code or choose Locate to view your local snow & ice forecast. Snowfall reports, interactive snow map, winter alerts, top snowfall, and live road cameras.

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.

Snow is precipitation that forms when water vapor freezes. Snow falls as ice crystals from clouds when temperatures drop below freezing and there is enough humidity in the air.

NOAA National Weather Service National Weather Service Critical Fire Weather Conditions in the Southern Plains; Showers and Thunderstorms Linger Over Florida Gusty winds and dry conditions …

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

Track winter storm warnings and alerts across the United States in real-time. Monitor active warnings, view expired alerts, and check winter weather outlook forecasts.

NWS alerts warn of snow, freezing temperatures, and damaging winds across Alaska, Ohio, Indiana, Illinois, and Montana.

Snow storm and snowfall total predictions for today and tomorrow in any city America. Search by city or state to find accurate 3 day forecasts in inches.