Stories by Patty Wetli

While lake effect snow will come and go through Tuesday, the storm system, approaching from the south, is expected to reach Chicago by mid-afternoon Monday, according to the National Weather Service. 

Chicago set a new record for the coldest Feb. 14 in history, with a high temperature of just 4 degrees recorded at O’Hare Airport on Sunday, according to the National Weather Service.

The community science project, held over four days every February, collects data that provides scientists with a long-term record of bird distribution across the globe, helping to identify trends that might be associated with urbanization or climate change.

Dirty snow absorbs more of the sun’s energy and melts faster. Here’s why that’s a problem. 

There’s a misperception that birds such as geese and ducks need help finding food when it snows. If they couldn’t cope with Chicago’s winters, they wouldn’t be here, experts say. 

Sea shanties are suddenly all the rage thanks to TikTok but Chicago’s long been a hub for shanty singing. We explore the city’s connection to the musical tradition — and its undeniable staying power.

With dangerous subzero wind chill temperatures forecast for the upcoming weekend, officials offered timely reminders of ways to stay safe in extreme cold. 

The landscape has been pretty bleak of late. Here to brighten our outlook: The Garfield Park Conservatory has announced its indoor gardens will reopen to the public at the end of February.

The 18,000-acre restoration site continues to evolve, as this home of the former Joliet Arsenal gradually returns to its native prairie state. 

An ancient sand ridge in the Calumet region became a well-worn route used by enslaved people seeking freedom.

Winter has arrived with a vengeance. The next 48 hours will bring a one-two punch of snow and plunging temperatures.

Find out what the hit Netflix series gets right — and wrong — about gossip in the 1800s when Newberry Library scholars host a lighthearted virtual chat this week.

It’s Groundhog Day. Will it be six more weeks of winter or an early spring?

Parts of the Chicago area notched more than a foot of snow over the weekend. It won’t have much chance to melt, with a blast of arctic air heading our way toward the end of the week.

There are quirky details to be found in bark, twigs and buds that can turn a walk in the woods or around the block into a game of “name that tree.”

The snow is likely to hit late Saturday afternoon and intensify rapidly, with accumulations of more than six inches possible, according to the National Weather Service.

Portions of Big Marsh Park were once heaped high with waste from the area’s now defunct steel mills. The soil has since been remediated, and now the Chicago Park District is working to find out if native plants can grow and thrive there.  

Is your Spidey sense tingling? The Museum of Science and Industry has announced it will reopen the first week in March with a new exhibit to greet guests: "Marvel: Universe of Super Heroes."

The red brick two-flat in Woodlawn is now protected from demolition and any significant changes to its exterior. The vision is to transform the home into an international heritage pilgrimage site.

The Bulletin of the Atomic Scientists on Wednesday revealed its annual indicator of the world’s vulnerability to catastrophe, stating the COVID-19 pandemic showed how ill-prepared the global community is to handle a substantial threat.

A winter storm is forecast to deliver wind gusts up to 40 miles per hour and waves as high as 13 feet, creating hazardous conditions along Chicago's lakefront through Tuesday, the National Weather Service is warning. 

Five years after acquiring a block of properties on Bryn Mawr Avenue through eminent domain, Northeastern Illinois University has officially scrapped its plan to build student housing on the site and is casting about for other uses.

The first lady’s dress and matching coat, worn during the “Celebrating America” televised special, were embroidered with the official flower from every state and territory in the U.S.

The Art Institute of Chicago will reopen Feb. 11, joining the list of museums preparing to welcome back visitors now that coronavirus restrictions are being loosened. 

The Driehaus Bungalow Awards were established in 2005 and honor the best in bungalow restoration and renovation. “COVID Creativity” was added to the association’s annual award categories. Two winners were announced — check out the ingenuity. 

Registration is now open, with limited in-person programming beginning Monday.