Forecast Details for Chicago, IL

Recent Locations: Chicago, IL  
Current Alerts for Chicago, IL: Special Weather Statement
Tonight: Mostly cloudy, with a low around 28. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday: Snow and freezing rain likely before 2pm, then freezing rain likely, possibly mixed with drizzle. Cloudy, with a high near 33. East southeast wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Saturday Night: A slight chance of freezing rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 24. Northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday: Partly sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night: Mostly clear, with a low around 19. Northwest wind around 5 mph.
Monday: Mostly sunny, with a high near 33.
Monday Night: Mostly cloudy, with a low around 23.
Tuesday: A chance of snow. Mostly cloudy, with a high near 29.
Tuesday Night: Mostly cloudy, with a low around 21.
Wednesday: A chance of snow after noon. Mostly cloudy, with a high near 29.
Wednesday Night: A chance of snow. Mostly cloudy, with a low around 18.
Thursday: Partly sunny, with a high near 26.
Thursday Night: Partly cloudy, with a low around 15.
Friday: Partly sunny, with a high near 30.

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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

The Current National Weather Forecast and National Weather Map are shown below.

Today's 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

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog