Forecast Details for Chicago, IL

Your Recent Locations:  Chicago, IL  
Tonight: Clear, with a low around 18. West southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday: Sunny, with a high near 33. Southwest wind around 15 mph, with gusts as high as 30 mph.
Thursday Night: Mostly clear, with a low around 22. West southwest wind 10 to 15 mph.
Friday: Sunny, with a high near 39. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night: Partly cloudy, with a low around 31. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday: Mostly sunny, with a high near 41.
Saturday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36.
Sunday: A chance of rain. Cloudy, with a high near 45.
Sunday Night: Rain likely. Cloudy, with a low around 40.
Monday: Rain likely. Cloudy, with a high near 44.
Monday Night: A chance of rain and snow. Mostly cloudy, with a low around 27.
Tuesday: A slight chance of snow. Mostly cloudy, with a high near 33.
Tuesday Night: Mostly cloudy, with a low around 22.
Wednesday: Partly sunny, with a high near 31.

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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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Todays 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)

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.

North American Water Vapor Map

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

stratocumulus clouds Next Topic: Contrails

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Contrails

Weather Topic: What is Fog?

Home - Education - Cloud Types - Fog

fog Next Topic: Fractus Clouds

Fog is technically a type of stratus cloud, which lies along the ground and obscures visibility.

It is usually created when humidity in the air condenses into tiny water droplets. Because of this, some places are more prone to foggy weather, such as regions close to a body of water.

Fog is similar to mist; both are the appearance of water droplets suspended in the air, but fog is the term applied to the condition when visibility is less than 1 km.

Next Topic: Fractus Clouds