2nd powerful storm of the week less than 24 hours away—this one wet rather than snowy; weather here deteriorates rapidly over night; high winds, drenching, possibly thundery rains and shoreline lashing waves coming; 40s due late Sat

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How much has weather forecasting improved since the 1930s?
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What times are used in keeping track of daily weather data?
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City of Chicago releases report outlining response to historic cold
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Winter Weather Advisory issued; Slick roads possible
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Warm but windy Monday, chillier temperatures arrive Tuesday
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High pressure brings a lull in precipitation
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Influx of polar air ebbs ahead of clouds, snow
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Mild weather to continue until weekend chill
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Snow slams Chicago-area making mess of morning commute
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Canceled flights, delayed trains and icy roads as winter storm moves east
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Chicago pothole season in full swing
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USPS to resume mail delivery in Chicago starting Friday
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More than 1,000 flights canceled at Chicago airports