Weather Forecast and Radar for Chicago, Illinois

Current & 7-day weather forecast, weather alerts, and weather radar for Chicago, Illinois.
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Temperature Forecast for Chicago, Illinois

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Temperature Forecast for Chicago, Illinois

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Weather Radar for Chicago, Illinois

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Routes Running Nearby to Chicago, Illinois

  • The I-55 runs north-south, ending in Chicago, IL.

  • The I-90 runs east-west through Chicago, IL.

  • The I-94 runs north-south through Chicago, IL.

Weather in Chicago, IL

Chicago experiences a wide range of weather conditions, including hot summers, cold winters, and occasional periods of severe weather.

In the winter, heavy snowfall and freezing temperatures are common. The city is also prone to ice storms, which can make travel difficult. In the summer, Chicago is known for its high levels of humidity, which can make the heat feel oppressive. The city is also located in an area that is vulnerable to tornadoes, and strong thunderstorms are not uncommon.

Overall, Chicago's weather can be unpredictable. It is important to be prepared for whatever conditions may arise.

In Chicago, the summers are warm, humid, and wet; the winters are freezing, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 22°F to 83°F and is rarely below 5°F or above 91°F.

The warm season lasts for 3.6 months, from June 3 to September 20, with an average daily high temperature above 73°F. The hottest month of the year in Chicago is July, with an average high of 82°F and low of 70°F.

In July 1995, a severe heat wave hit Chicago, causing temperatures to reach as high as 106 degrees Fahrenheit. The heat wave lasted for several days and resulted in hundreds of heat-related deaths.

Winter Conditions in Chicago, IL

The cold season lasts for 3.2 months, from December 2 to March 9, with an average daily high temperature below 43°F. The coldest month of the year in Chicago is January, with an average low of 22°F and high of 33°F.

Chicago has a history of heavy snowfall, with some winters bringing significant amounts of snow to the city.

One of the most severe snowstorms in Chicago's history occurred in January 1979. A storm dumped nearly 23 inches of snow on the city over a three-day period. This storm caused widespread travel disruptions and power outages, and it took several days for the city to dig out from the snow.

In February 2011, another major snowstorm hit Chicago. It brought more than 20 inches of snow and causing significant damage to buildings and infrastructure.

These storms are two examples of the heavy snowfall that Chicago can experience. Residents of the city are well-acquainted with the challenges that come with winter weather.

In January 1967, a major blizzard struck Chicago, dumping more than 20 inches of snow on the city and causing widespread travel disruptions. The storm also caused significant damage to buildings and infrastructure.

Tornadoes in Chicago, IL

A total of 87 historical tornado events that had recorded magnitude of 2 or above found in or near Chicago, IL.

Chicago is located in an area of the United States that is known for its vulnerability to tornadoes. The city is situated along the so-called "Tornado Alley," which is an area of the country that experiences a high frequency of tornadoes. In fact, the Chicago area is one of the most tornado-prone regions in the world. Tornadoes in Chicago can occur at any time of year, but they are most common in the spring and summer months.

When a tornado strikes the city, it can cause significant damage to buildings and infrastructure, and it can pose a serious threat to human life. It is important for residents of Chicago to be prepared for the possibility of tornadoes and to know what to do if one strikes.

In April 2013, a series of tornadoes struck the Chicago area, causing widespread damage and several fatalities. The tornadoes were part of a larger storm system that affected many parts of the Midwest.

Fast Facts About Chicago, IL

The city was incorporated in 1833 (as a town) and 1837 (as a city).

As of 2020, the population is 2,746,388 within the city and 9,618,502 in the metro area.

Major Cities Nearby Chicago, IL

  • Naperville, Illinois (roughly 30 miles to the southwest)
  • Aurora, Illinois (roughly 38 miles to the southwest)
  • Rockford, Illinois (roughly 78 miles to the northwest)

Related Chicago Weather Maps

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Chicago, Illinois.