Forecast Details for Deerfield, IL

Recent Locations: Deerfield, IL  
This Afternoon: Partly sunny, with a high near 22. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight: Snow showers likely before 3am, then a chance of snow showers and freezing rain. Cloudy, with a temperature rising to around 24 by 5am. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday: A slight chance of snow and freezing rain before 9am. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night: Mostly cloudy, with a low around 22. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Friday: Mostly sunny, with a high near 39. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night: A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday: Mostly cloudy, with a high near 27.
Saturday Night: Mostly cloudy, with a low around 6.
Sunday: Partly sunny and cold, with a high near 10.
Sunday Night: Partly cloudy, with a low around -4.
M.L.King Day: Mostly sunny and cold, with a high near 5.
Monday Night: Partly cloudy, with a low around -4.
Tuesday: Sunny and cold, with a high near 9.

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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

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

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

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation