Forecast Details for Colton, CA

Recent Locations: Killeen, TX   Elmendorf, TX   Colton, CA  
Tonight: Patchy drizzle and fog after 11pm. Increasing clouds, with a low around 53. Southwest wind 5 to 10 mph.
Sunday: Patchy drizzle and fog before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Sunday Night: Patchy drizzle after 11pm. Increasing clouds, with a low around 53. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday: Patchy drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 71. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Monday Night: Increasing clouds, with a low around 52. West wind 5 to 10 mph.
Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79.
Tuesday Night: Mostly clear, with a low around 54.
Wednesday: Sunny, with a high near 80.
Wednesday Night: Mostly clear, with a low around 54.
Thursday: Mostly sunny, with a high near 78.
Thursday Night: Partly cloudy, with a low around 55.
Friday: Mostly sunny, with a high near 76.
Friday Night: Partly cloudy, with a low around 53.
Saturday: Mostly sunny, with a high near 74.

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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

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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)

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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