Forecast Details for Mount Holly Springs, PA

Recent Locations: Mount Holly Springs, PA  
This Afternoon: Sunny, with a high near 74. West wind around 6 mph.
Tonight: Increasing clouds, with a low around 51. Light south wind.
Wednesday: Occasional showers, mainly before 2pm. High near 61. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night: Scattered showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then scattered showers and thunderstorms after 5am. Cloudy, with a low around 53. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Scattered showers. Partly sunny, with a high near 66. East wind 6 to 10 mph becoming northeast in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: Mostly cloudy, with a low around 48.
Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday: Mostly sunny, with a high near 61. Breezy.
Saturday Night: Partly cloudy, with a low around 40.
Sunday: Mostly sunny, with a high near 58.
Sunday Night: Partly cloudy, with a low around 39.
Monday: Mostly sunny, with a high near 62.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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North America Water Vapor (Moisture)

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

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