Forecast Details for Palatine, IL

Recent Locations: Palatine, IL  
Tonight: Mostly clear, with a low around 30. West northwest wind around 5 mph becoming north after midnight.
Friday: Mostly sunny, with a high near 54. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Friday Night: A chance of showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Low around 43. East wind around 10 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Mostly cloudy, with a high near 59. West northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night: Mostly cloudy, with a low around 37. North northeast wind 5 to 10 mph.
Sunday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 49.
Sunday Night: Showers and possibly a thunderstorm. Low around 41. Chance of precipitation is 80%.
Monday: Showers. Mostly cloudy, with a high near 51.
Monday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 38.
Tuesday: A chance of showers before 1pm. Mostly cloudy, with a high near 50.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 33.
Wednesday: Mostly sunny, with a high near 49.
Wednesday Night: Partly cloudy, with a low around 33.
Thursday: Sunny, with a high near 55.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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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