Forecast Details for Pacoima, CA

Recent Locations: Granada Hills, CA Baptistown, NJ Pacoima, CA

Today: Partly sunny, with a high near 71. Light south southeast wind increasing to 5 to 10 mph in the afternoon.

Tonight: Mostly cloudy, with a low around 48. South southeast wind around 5 mph.

Sunday: Mostly cloudy, with a high near 65. South southeast wind 5 to 10 mph.

Sunday Night: Rain, mainly after 4am. Low around 50. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Washington's Birthday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 59. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Monday Night: Rain and possibly a thunderstorm before 4am, then a chance of rain and thunderstorms after 4am. Low around 46. Chance of precipitation is 90%.

Tuesday: Rain, mainly after 10am. High near 59. Breezy. Chance of precipitation is 80%.

Tuesday Night: Rain. Cloudy, with a low around 44.

Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 58.

Wednesday Night: A chance of rain. Mostly cloudy, with a low around 41.

Thursday: A slight chance of rain. Mostly sunny, with a high near 61.

Thursday Night: Partly cloudy, with a low around 41.

Friday: Sunny, with a high near 65.

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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