Forecast Details for Los Angeles, CA

Recent Locations: Los Angeles, CA  
Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 52. Southeast wind around 5 mph.
Thursday: Patchy fog before noon. Otherwise, partly sunny, with a high near 67. East southeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night: Partly cloudy, with a low around 49. West southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Friday: Mostly sunny, with a high near 63. Southeast wind 5 to 15 mph becoming south southwest in the afternoon.
Friday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 50. South southwest wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday: Rain. High near 58. Chance of precipitation is 90%.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.
Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 48.
Monday: Mostly sunny, with a high near 66.
Monday Night: Mostly clear, with a low around 49.
Tuesday: Sunny, with a high near 72.
Tuesday Night: Mostly clear, with a low around 53.
Wednesday: Sunny, with a high near 76.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

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

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

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