Forecast Details for Yonkers, NY

Recent Locations: Santa Clarita, CA Albuquerque, NM Yonkers, NY

Tonight: Snow after 4am. Temperature rising to around 29 by 5am. South wind 3 to 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Wednesday: Snow before 10am. High near 42. Wind chill values between 25 and 35. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night: Partly cloudy, with a low around 29. Southwest wind 6 to 8 mph becoming west after midnight.

Thursday: A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.

Thursday Night: A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 26. West wind around 6 mph becoming north after midnight.

Friday: Mostly sunny, with a high near 39.

Friday Night: Partly cloudy, with a low around 28.

Saturday: Mostly sunny, with a high near 46.

Saturday Night: Partly cloudy, with a low around 32.

Sunday: Partly sunny, with a high near 42.

Sunday Night: Partly cloudy, with a low around 20.

Monday: A 40 percent chance of snow. Partly sunny, with a high near 30.

Monday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 21.

Tuesday: A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds