Forecast Details for Atascadero, CA

Recent Locations: Atascadero, CA  
Tonight: Mostly clear, with a low around 36. North wind 5 to 10 mph.
Friday: Mostly sunny, with a high near 68. North wind around 5 mph.
Friday Night: A 30 percent chance of rain after 11pm. Increasing clouds, with a low around 39. North northwest wind around 5 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.
Saturday: Showers, mainly before 11am. High near 63. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night: Mostly cloudy, with a low around 38. North wind 5 to 10 mph.
Sunday: Sunny, with a high near 69.
Sunday Night: Clear, with a low around 37.
Monday: Sunny, with a high near 70.
Monday Night: Mostly clear, with a low around 40.
Tuesday: Sunny, with a high near 74.
Tuesday Night: Mostly clear, with a low around 42.
Wednesday: Mostly sunny, with a high near 75.
Wednesday Night: Mostly clear, with a low around 42.
Thursday: Sunny, with a high near 76.

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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

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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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Altostratus Clouds Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds