Forecast Details for Apache Junction, AZ

Recent Locations: Point Pleasant, PA Polo, IL Apache Junction, AZ

Current Alerts for Apache Junction, AZ: Blowing Dust Advisory Extreme Heat Warning

Overnight: Mostly clear, with a low around 86. East southeast wind around 5 mph.

Wednesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 107. East wind around 5 mph becoming west in the afternoon.

Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Widespread haze before 10pm. Areas of smoke before 8pm. Partly cloudy, with a low around 86. Breezy, with a north wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Thursday: A 30 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 105. Calm wind becoming west southwest around 5 mph in the morning.

Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 86. West southwest wind around 5 mph becoming east after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 102. Southeast wind around 5 mph becoming southwest in the afternoon.

Friday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 82. West southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday: A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 101. Southeast wind around 5 mph becoming west southwest in the afternoon.

Saturday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 82. Southwest wind around 5 mph becoming calm after midnight.

Sunday: Sunny, with a high near 102. Calm wind becoming west southwest around 5 mph in the afternoon.

Sunday Night: Mostly clear, with a low around 82. West wind around 5 mph becoming calm in the evening.

Monday: Sunny, with a high near 103. Calm wind becoming west around 5 mph in the afternoon.

Monday Night: Partly cloudy, with a low around 84. West wind around 5 mph becoming east after midnight.

Tuesday: A 10 percent chance of showers and thunderstorms. Sunny, with a high near 105. Southeast wind around 5 mph becoming west in the afternoon.

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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

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North America Water Vapor (Moisture)

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Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet