Forecast Details for Covina, CA

Recent Locations: Covina, CA  
Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 52. South wind around 5 mph.
Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68. South southeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Friday: Mostly sunny, with a high near 62. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night: Rain likely after 11pm. Mostly cloudy, with a low around 48. South southwest wind 10 to 15 mph becoming east southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday: Rain. High near 55. Chance of precipitation is 100%.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 58.
Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 46.
Monday: A chance of showers after 11am. Mostly sunny, with a high near 65.
Monday Night: Mostly clear, with a low around 48.
Tuesday: Sunny, with a high near 73.
Tuesday Night: Mostly clear, with a low around 52.
Wednesday: Sunny, with a high near 77.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail

Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds