Forecast Details for Chicago O'Hare International Airport, IL

Recent Locations: Chicago O'Hare International Airport, IL  
Current Alerts for Chicago O'Hare International Airport, IL: Special Weather Statement
Tonight: A slight chance of freezing rain after 5am. Cloudy, with a low around 29. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday: A chance of drizzle or freezing rain before 10am, then a chance of drizzle between 10am and noon, then a chance of rain after noon. Cloudy, with a high near 39. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night: Mostly cloudy, with a low around 31. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday: Cloudy, with a high near 39. Calm wind becoming northeast around 5 mph.
Tuesday Night: A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 34. East northeast wind around 5 mph becoming calm.
Christmas Day: A 40 percent chance of rain. Cloudy, with a high near 40.
Wednesday Night: A 20 percent chance of rain before midnight. Cloudy, with a low around 37.
Thursday: Cloudy, with a high near 45.
Thursday Night: A chance of rain after midnight. Cloudy, with a low around 41.
Friday: A chance of rain. Cloudy, with a high near 52.
Friday Night: A chance of rain. Cloudy, with a low around 45.
Saturday: A chance of rain. Cloudy, with a high near 52.
Saturday Night: A chance of rain. Mostly cloudy, with a low around 42.
Sunday: A chance of rain. Mostly cloudy, with a high near 49.

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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 are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation