Forecast Details for Chicago O'Hare International Airport, IL

Current Alerts for Chicago O'Hare International Airport, IL: Beach Hazards Statement Lakeshore Flood Advisory
Tonight: Scattered showers, mainly after 9pm. Mostly cloudy, with a low around 57. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday: A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 64. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Thursday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. North northwest wind around 15 mph, with gusts as high as 25 mph.
Thursday Night: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming west southwest after midnight.
Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77.
Friday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Saturday: A slight chance of showers after 1pm. Mostly sunny, with a high near 70.
Saturday Night: Mostly clear, with a low around 50.
Sunday: Sunny, with a high near 74.
Sunday Night: Mostly clear, with a low around 55.
Monday: Sunny, with a high near 82.
Monday Night: Mostly clear, with a low around 59.
Tuesday: Sunny, with a high near 77.

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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

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 is Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds