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 …

Dec 14, 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.

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

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

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.

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.

Feb 10, 2025 · Snow is more than a winter spectacle; it’s a fascinating natural phenomenon with important roles in the environment. This article breaks down how snow forms, its types, and why it …

Snow is precipitation that forms as ice crystals in clouds where temperatures are below freezing (0°C or 32°F). Snow appears in various forms, including snowflakes, graupel, and sleet, with snowflakes …

Southern California drivers were urged to stay off the road as conditions deteriorated thanks to downpours fed by an atmospheric river. Interstates were shut down by high water, and evacuation...

Jul 1, 2025 · Snow and ice also cool Earth’s surface, helping stabilize the climate system by reflecting sunlight back to space. NASA’s observations help scientists learn about the effects of melting snow …