Forecast Details for Shippensburg, PA

Recent Locations: Shippensburg, PA

Today: Rain before noon, then showers likely, mainly between noon and 3pm. Areas of fog before 11am. High near 65. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: A chance of showers, mainly before midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.

Tuesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

Thursday: Showers, with thunderstorms also possible after 2pm. High near 75. Chance of precipitation is 80%.

Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

Friday: A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 50%.

Friday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

Saturday: A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.

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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