Forecast Details for Richlandtown, PA

Recent Locations: Richlandtown, PA  
Overnight: A slight chance of showers before 3am. Mostly cloudy, with a low around 45. South wind around 5 mph. Chance of precipitation is 20%.
Sunday: Partly sunny, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%.
Monday: Sunny, with a high near 85. Northwest wind 5 to 10 mph.
Monday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. South wind around 5 mph becoming east after midnight. Chance of precipitation is 20%.
Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Wednesday: Partly sunny, with a high near 73.
Wednesday Night: Partly cloudy, with a low around 51.
Thursday: Mostly sunny, with a high near 77.
Thursday Night: Partly cloudy, with a low around 52.
Friday: A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Saturday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

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Current U.S. National Radar--Current

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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