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

    www.aol.com/weather/forecast/us/chicago-12784279

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... A blast of Arctic air plummeted temperatures across the South to record lows. 1. 2. 3. 4.

  3. Climate of Chicago - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Chicago

    The National Weather Service office of Chicago has one of the longest periods of official weather records, dating back to 1870, though all the 1870 and 1871 weather records taken at 181 West Washington Street were lost in the Great Chicago Fire. Of the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare ...

  4. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk.

  5. National Weather Service Chicago, Illinois - Wikipedia

    en.wikipedia.org/wiki/National_Weather_Service...

    National Weather Service Chicago, currently based in Romeoville, Illinois, at Lewis University, is a weather forecast office responsible for monitoring weather conditions for 23 counties in Northern Illinois, the Chicago metropolitan area and Northwest Indiana. [1]

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

    www.aol.com/weather/forecast/us/chicago-12784305

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... An intense blast of cold air is making its way into the central United States this week with temperatures up to 50 ...

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

    www.aol.com/weather/forecast/us/chicago-12784292

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... Check out what a larger sea and bitter cold air helped to generate in parts of Japan.

  8. Air mass - Wikipedia

    en.wikipedia.org/wiki/Air_mass

    Continental and superior air masses are dry, while maritime and monsoon air masses are moist. Weather fronts separate air masses with different density (temperature or moisture) characteristics. Once an air mass moves away from its source region, underlying vegetation and water bodies can quickly modify its character. Classification schemes ...

  9. List of United States Air Force weather squadrons - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_Air...

    Redesignated 10th Combat Weather Squadron on 1 April 1996; inactivated 16 May 2014 [2] 11th Weather Squadron: 12th Weather Squadron: 13th Expeditionary Combat Weather Squadron: Redesignated from 13th Weather Squadron and reactivated in 2021. [1] 13th Weather Squadron: Inactivated in 1951. [1] 14th Weather Squadron: Asheville, North Carolina ...