Forecast Details for Chicago, IL

Recent Locations: Chicago, IL

This Afternoon: Mostly sunny, with a high near 77. West wind around 15 mph, with gusts as high as 25 mph.

Tonight: Mostly clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday: Sunny, with a high near 90. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night: Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph becoming north northeast after midnight.

Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Friday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71.

Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 60.

Sunday: A chance of showers. Mostly cloudy, with a high near 69.

Sunday Night: Mostly cloudy, with a low around 61.

Monday: A chance of showers. Partly sunny, with a high near 77.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

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).

National Weather Forecast--Current

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

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

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.

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

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: Condensation