Forecast Details for West Covina, CA

Recent Locations: West Covina, CA

Today: Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.

Tonight: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 56. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 65. South wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 55. South southeast wind around 5 mph.

Monday: Cloudy, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.

Monday Night: Mostly cloudy, with a low around 54.

Tuesday: Partly sunny, with a high near 72.

Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.

Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.

Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.

Thursday: Patchy fog. Otherwise, mostly sunny, with a high near 83.

Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 60.

Friday: Patchy fog. Otherwise, mostly sunny, with a high near 85.

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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 are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation