Forecast Details for New Hyde Park, NY

Recent Locations: New Hyde Park, NY  
This Afternoon: Sunny, with a high near 55. Southeast wind around 7 mph.
Tonight: Mostly clear, with a low around 39. South wind 5 to 9 mph becoming calm after midnight.
Friday: Sunny, with a high near 59. Northeast wind 6 to 11 mph becoming south in the afternoon.
Friday Night: Mostly clear, with a low around 41. South wind 5 to 9 mph becoming light after midnight.
Saturday: Increasing clouds, with a high near 58. Light south wind increasing to 6 to 11 mph in the morning.
Saturday Night: Mostly cloudy, with a low around 48.
Sunday: Partly sunny, with a high near 70.
Sunday Night: Mostly cloudy, with a low around 56.
Monday: Partly sunny, with a high near 75.
Monday Night: Mostly cloudy, with a low around 55.
Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 69.
Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday: Partly sunny, with a high near 72.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What is Precipitation?

Home - Education - Precipitation - 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