Forecast Details for Prescott, AZ

Recent Locations: Prescott, AZ

Overnight: Increasing clouds, with a low around 41. South wind 7 to 10 mph, with gusts as high as 15 mph.

Thursday: A 40 percent chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

Thursday Night: Mostly clear, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

Friday: Mostly sunny, with a high near 64. Breezy, with a south wind 14 to 24 mph, with gusts as high as 38 mph.

Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40. Southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.

Saturday: A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 62. West wind 13 to 17 mph, with gusts as high as 26 mph.

Saturday Night: Mostly clear, with a low around 39. West wind 11 to 15 mph, with gusts as high as 24 mph.

Sunday: Sunny, with a high near 71. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

Sunday Night: Clear, with a low around 43. Southwest wind 9 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.

Monday: Sunny, with a high near 76. East wind 9 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night: Clear, with a low around 47. South wind 9 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.

Tuesday: Sunny, with a high near 79. Southeast wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 26 mph.

Tuesday Night: Mostly clear, with a low around 49. South wind 11 to 15 mph, with gusts as high as 24 mph.

Wednesday: Sunny, with a high near 79. South wind 10 to 18 mph, with gusts as high as 28 mph.

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National Weather Forecast--Current

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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