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  2. Chicago, IL Weather - Hourly Forecasts and Local Weather ...

    www.aol.com/.../chicago/chicago-2379574

    Top weather news for Friday, Feb. 28, 2025: Increasing potential for severe weather outbreak next week across South while old man winter returns to the Northeast this weekend. USA TODAY 2 days ago

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  5. Dew point - Wikipedia

    en.wikipedia.org/wiki/Dew_point

    The dew point temperature equals the air temperature when the air is saturated with water; in all other cases the dew point will be less than the air temperature. [ 6 ] : 129 In technical terms, the dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same ...

  6. 2012 North American heat wave - Wikipedia

    en.wikipedia.org/wiki/2012_North_American_heat_wave

    The Chicago temperatures exceeded the 1995 Chicago heat wave, which claimed over 750 lives, although humidity and registered dew points were higher during that heat wave. [30] Through the first five days of July, the mean temperature in Chicago averaged 86.4 °F (30.2 °C), 13.2 °F (7 °C) above normal, the hottest since 1911. [31]

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  8. Midway International Airport - Wikipedia

    en.wikipedia.org/wiki/Midway_International_Airport

    Originally named Chicago Air Park, [8] Midway Airport was built on a 320-acre (130 ha) plot in 1923 with one cinder runway mainly for airmail flights. In 1926, the city leased the airport and named it Chicago Municipal Airport on December 12, 1927. [1] By 1928, the airport had twelve hangars and four runways, which were lit for night operations ...

  9. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    A typical METAR contains data for the airport identifier, time of observation, wind direction and speed, visibility, current weather phenomena such as precipitation, cloud cover and heights, temperature, dew point, and barometric pressure. This information forms the body of the report, consisting a maximum of 11 groups of information.