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  2. 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 ...

  3. Wind chill - Wikipedia

    en.wikipedia.org/wiki/Wind_chill

    Wind chill index values for a range of temperatures and wind speeds, from the standard wind chill formula for Environment Canada. Wind chill (popularly wind chill factor) is the sensation of cold produced by the wind for a given ambient air temperature on exposed skin as the air motion accelerates the rate of heat transfer from the body to the surrounding atmosphere.

  4. Apparent temperature - Wikipedia

    en.wikipedia.org/wiki/Apparent_temperature

    Apparent temperature, also known as "feels like", [1] [2] is the temperature equivalent perceived by humans, caused by the combined effects of air temperature, relative humidity and wind speed. The measure is most commonly applied to the perceived outdoor temperature.

  5. Chicago weather: Subzero wind chills expected - AOL

    www.aol.com/chicago-weather-subzero-wind-chills...

    This is your super cold Chicago forecast: Home & Garden. Lighter Side

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

    www.aol.com/weather/forecast/us/chicago-12784288

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 2 mph F 3 km/h C Wind. 32 ... Cold snap in weather forecast for East Coast.

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

    www.aol.com/weather/forecast/us/chicago-12784307

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...

  8. Numerical weather prediction - Wikipedia

    en.wikipedia.org/wiki/Numerical_weather_prediction

    Weather reconnaissance aircraft, such as this WP-3D Orion, provide data that is then used in numerical weather forecasts.. The atmosphere is a fluid.As such, the idea of numerical weather prediction is to sample the state of the fluid at a given time and use the equations of fluid dynamics and thermodynamics to estimate the state of the fluid at some time in the future.

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

    www.aol.com/weather/forecast/us/chicago-12784308

    Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 4 mph F 6 km/h C Wind. 42 ... But only a few areas of the U.S. are likely to see snow in the weather forecast for ...