Forecast Details for Phoenix Sky Harbor International Airport, AZ

Recent Locations: Phoenix Sky Harbor International Airport, AZ  
Tonight: Partly cloudy, with a low around 52. Calm wind.
Monday: Sunny, with a high near 77. Calm wind.
Monday Night: Mostly clear, with a low around 51. Calm wind becoming east around 5 mph.
Tuesday: Mostly sunny, with a high near 77. East wind around 5 mph becoming calm in the afternoon.
Tuesday Night: Mostly clear, with a low around 49. Calm wind becoming southwest around 5 mph.
Christmas Day: Sunny, with a high near 69. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night: Mostly clear, with a low around 47. Southwest wind around 5 mph becoming calm.
Thursday: Mostly sunny, with a high near 67. East northeast wind around 5 mph becoming calm.
Thursday Night: Mostly clear, with a low around 45. Calm wind.
Friday: Sunny, with a high near 68. Calm wind becoming east around 5 mph.
Friday Night: Mostly clear, with a low around 46. Calm wind.
Saturday: Sunny, with a high near 72. East northeast wind around 5 mph becoming calm.
Saturday Night: Partly cloudy, with a low around 48. Calm wind becoming east northeast around 5 mph.
Sunday: Mostly sunny, with a high near 76. East wind around 5 mph becoming calm.

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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