Forecast Details for Phoenix, AZ

Recent Locations: Phoenix, AZ

Current Alerts for Phoenix, AZ: Air Quality Alert

This Afternoon: Sunny, with a high near 86. West southwest wind around 5 mph.

Tonight: Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.

Wednesday: Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.

Thursday: Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

Thursday Night: Mostly clear, with a low around 66. West wind around 5 mph becoming calm after midnight.

Friday: Sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

Friday Night: Clear, with a low around 65. West wind around 5 mph becoming calm after midnight.

Saturday: Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

Saturday Night: Mostly clear, with a low around 63. West southwest wind 5 to 10 mph.

Sunday: Sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

Sunday Night: Mostly clear, with a low around 53. West southwest wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

Monday: Mostly sunny, with a high near 75. South southwest wind around 5 mph.

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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

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

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.

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds