Expect several feet of snow across the Cascades, while a widespread 3-8 inches of rain could fall closer to the coast. Watch this video for the latest update.

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

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 …

4 days ago · 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.

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 or …

Nov 28, 2025 · Snowfall patterns are shifting as the climate warms, with many regions already seeing declines. These shifts impact water supply, ecosystems, winter recreation and hydropower …

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 …

What is snow? Snow is precipitation that forms when water vapor freezes. It is not frozen rain, but a crystallization of ice that typically forms in clouds.

Snowfall predictions for Ashburn, VA. Past snow depth totals and current conditions.

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