Forecast Details for Signal Hill, CA

Recent Locations: Signal Hill, CA  
Tonight: Increasing clouds, with a low around 56. South southwest wind 5 to 10 mph becoming southeast after midnight.
Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 70. Southeast wind 5 to 10 mph becoming west southwest in the morning.
Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming south in the evening.
Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. South wind 5 to 10 mph becoming west southwest in the morning.
Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West southwest wind 5 to 10 mph becoming east after midnight.
Monday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 72.
Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 67.
Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53.
Wednesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 67.
Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Thursday: Patchy fog. Otherwise, mostly cloudy, with a high near 67.
Thursday Night: Partly cloudy, with a low around 54.
Friday: A slight chance of rain. Partly sunny, with a high near 68.

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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)

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North American Water Vapor Map

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

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

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