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Friday’s snowfall could be heavy at times but will gradually end later this morning after blanketing the area with another 2-4 inches, according to the National Weather Service. Here’s what you need to know.

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Snow blankets cars and everything else in its way on a Chicago street in January 2014. (Maggie Not Margaret / Flickr)

Before the snow even started to fall Thursday evening, Chicago Public Schools took the rare step of canceling all Friday classes.

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Don’t let frigid weather derail your outdoor exercise routine. With the proper precautions and gear, you can keep it up all winter long, says orthopedic surgeon Dr. Diego Villacis.

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Chicago ushered in 2018 with a record-setting high temperature of 1 degree on New Year’s Day. With cold temperatures expected to persist, the city could tie a different record by the end of the week.

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McCook Reservoir (Courtesy Metropolitan Water Reclamation District Board of Commissioners)

Public officials gathered Monday to celebrate the completion of stage one of the McCook Reservoir, which will offer 10 billion gallons of storage capacity to prevent flooding once complete in 2029. 

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Streaks of snow stretching across the Great Lakes captured by a NASA satellite on Dec. 9, 2006. (NASA)

Lake Michigan is getting warmer, and eventually it will mean winters with less snow in Chicago. But don’t plan yet for winters free of the white stuff.

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Flooding in Albany Park in April 2013 (Center for Neighborhood Technology / Flickr)

There are more soggy days ahead. Find out how you can help ease the burden on the Chicago River and reduce the risk of flooding.

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Weather forecasts say Chicago might see a third straight mild winter. Will that prediction pan out?

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Chicago’s sewer and deep tunnel system couldn’t handle this weekend’s rain, allowing untreated sewage and stormwater into Lake Michigan.

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Mayor Rahm Emanuel said Monday the city is not only offering emergency responders to help Puerto Rico, but has already accepted 1,600 evacuees. 

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The Trump administration fights back against widespread criticism of its slow response to Hurricane Maria, while Chicago’s Puerto Rican community mobilizes to try to send supplies and water to the island.

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Hurricane Irma leaves behind storm surge flooding, widespread power outages and serious damage to property. We get an update from Florida.

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What part – if any – does global warming play in the intensity of hurricanes? And what infrastructure failures contribute to the utter loss and destruction during extreme weather?

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At least 10 people have died as a result of the Category 5 Hurricane Irma, a storm widely considered to be one of the worst on record. We speak with Univision Chicago anchor Érika Maldonado via Skype from Miami.

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After heavy storms, the Chicago River’s North Branch floods hundreds of homes on the Northwest Side. The Chicago Department of Transportation is now constructing a permanent flood-fighting weapon. We take a look.

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A grand canyon that will become a deep lake: We get a tour of the final reservoir in the Deep Tunnel plan.