Forecast Details for Nyack, NY

Recent Locations: Scranton, NC Roscoe, NY Nyack, NY

Overnight: Snow likely, mainly before 4am. Cloudy, with a low around 28. Northeast wind around 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

Washington's Birthday: Mostly cloudy, with a high near 39. Wind chill values between 25 and 35. North wind around 6 mph becoming calm in the afternoon.

Monday Night: A slight chance of snow showers and sleet after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 3 to 5 mph.

Tuesday Night: Increasing clouds, with a low around 33. Light west wind.

Wednesday: Rain, mainly after noon. High near 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night: Rain likely before midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Thursday: Mostly cloudy, with a high near 41.

Thursday Night: Mostly cloudy, with a low around 34.

Friday: Rain likely, mainly after noon. Cloudy, with a high near 41. Chance of precipitation is 70%.

Friday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.

Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 44.

Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 29.

Sunday: A chance of rain and snow. Mostly cloudy, with a high near 41. 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 is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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