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Forecasters: Chicago, suburbs will see first freeze of season

A pedestrianLoop  bundles up frigid day 2011. | Sun-Times files

A pedestrianin the Loop bundles up on a frigid day in 2011. | Sun-Times files

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Updated: October 21, 2013 6:45PM



For the first time this season, temperatures are expected to drop below freezing Monday night and into Tuesday morning in parts of the city and suburbs.

Temperatures near O’Hare Airport are expected to dip to 31, said National Weather Service Meteorologist Casey Sullivan. Areas on the far South Side and West Sides will see similar drops, give or take a degree. Temperaturess in the Lincoln Park neighborhood are expected to be in the mid 30s.

Lows in neighborhoods closer to the Loop are not expected to reach the freezing mark due to the urban heat island effect in which areas heavily concentrated with large buildings and cement absorb heat during the day and emit it at night.

Last year’s first freeze of the season fell on Oct. 8 when the mercury hovered at the freezing temperature, which is 32 degrees.

email: mdudek@suntimes.com

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