Forecast Details for Pequea, PA

Recent Locations: Raymond, SD Russell, MA Pequea, PA

Tonight: Mostly cloudy, with a low around 21. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

Tuesday: Mostly sunny, with a high near 33. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.

Tuesday Night: A chance of snow after 1am. Increasing clouds, with a low around 24. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Wednesday: A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Wednesday Night: Partly cloudy, with a low around 29. West wind around 6 mph becoming calm in the evening.

Thursday: Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night: Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Friday: Mostly sunny, with a high near 43.

Friday Night: Mostly clear, with a low around 27.

Saturday: Sunny, with a high near 50.

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

Sunday: Partly sunny, with a high near 46.

Sunday Night: Mostly cloudy, with a low around 25.

Monday: A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

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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 Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle