Forecast Details for Santa Ana, CA

Recent Locations: Santa Ana, CA  
This Afternoon: Sunny, with a high near 73. Southwest wind 5 to 10 mph.
Tonight: Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming south in the evening.
Monday: Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night: Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Tuesday: Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.
Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73.
Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.
Thursday: Mostly sunny, with a high near 77.
Thursday Night: Partly cloudy, with a low around 57.
Friday: Mostly sunny, with a high near 77.
Friday Night: Increasing clouds, with a low around 57.
Saturday: Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75.

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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 Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - 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