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 …

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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.

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.

Daily snow observations from GHCN stations are available using the pulldown menus below to select the state, month, and year of interest for either snowfall or snow depth data.

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.

3 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 …

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

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.