Forecast Details for West Finley, PA

Recent Locations: West Finley, PA  
Overnight: Partly cloudy, with a low around 60. East wind around 6 mph.
Friday: A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Southeast wind 5 to 7 mph becoming west 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.
Friday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Low around 62. North wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday: Showers. High near 71. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night: Showers likely. Mostly cloudy, with a low around 60. Southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday: A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

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Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

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