Forecast Details for Chicago, IL

Your Recent Locations:  Chicago, IL  
Current Alerts for Chicago, IL: Flood Warning
Today: Mostly sunny, with a high near 76. East wind around 10 mph, with gusts as high as 15 mph.
Tonight: Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Wednesday: Mostly sunny, with a high near 88. South wind around 10 mph.
Wednesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 76. Southeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Thursday Night: Partly cloudy, with a low around 66.
Friday: Mostly sunny, with a high near 75.
Friday Night: Mostly clear, with a low around 64.
Saturday: Sunny, with a high near 75.
Saturday Night: Mostly clear, with a low around 65.
Sunday: Sunny, with a high near 76.
Sunday Night: Mostly clear, with a low around 67.
Monday: Mostly sunny, with a high near 76.

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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)

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North American Water Vapor Map

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Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

snow Next Topic: Cirrus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Cirrus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

cirrus clouds Next Topic: Cirrocumulus Clouds

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: Cirrocumulus Clouds