Montrose Harbor looking toward skyline. (Submitted by Eddie Arruza)

An icy Lake Michigan on Wednesday, Jan. 30. “I couldn’t resist an early morning walk,” said Chicago Tonight’s Jay Shefsky. (Jay Shefsky / Chicago Tonight)

Here are all the layers Jay Shefsky wore for his Wednesday, Jan. 30 walk outdoors. (Jay Shefsky / Chicago Tonight)

From Adler Planetarium looking toward skyline (Submitted by Eddie Arruza)

“Crowds” at Montrose Harbor taking photographs (Submitted by Mary Field)

Chicago at sunrise (Submitted by Dan Soles)

Chicago at sunrise (Submitted by Dan Soles)

Chicago at sunrise (Submitted by Dan Soles)

Mix enjoys a sun-warmed spot in the apartment on a frigid day. (Submitted by Rebecca Palmore)

Marion Mahoney Beach in Rogers Park (Submitted by Krys Hansen)

Plenty of parking at Navy Pier (Submitted by Tim Later)

Lake Michigan at minus 18 degrees (Submitted by Alexandra Silets)

Hanging shoes on a wire under the snowy Paulina Brown Line (Submitted by Cody Corrall)

Just one of those days at Baker’s Lake Nature Preserve (Submitted by Michelle Akins)

Hot dog bored by cold weather. (Submitted by Marc Vitali)

Cold weather at Northwestern University (Submitted by Eric Chin)

Lake Michigan frozen at Ohio St Beach (Submitted by Colleen Gwarnicki)

Edgewater pre-dawn on Wednesday, Jan. 30 (Submitted by Susan McLain )

Miller Beach, Wednesday afternoon (Submitted by Scott Alwin)

This robin wishes he had gone south fo the winter. He was under our bushes in the front yard this morning in DeKalb, IL. (Submitted by Barry Schrader)

Frozen faucet icicle in bathroom sink of my Ravenswood 1880’s house in need of insulation. Photo taken Wednesday, Jan. 30. (Submitted by Karen Graham)

My Dad’s backyard (Submitted by Jan Schroeder)

Oak Street Beach (Submitted by Eugene Jablonowski)

Tux, aka “Bugs” enjoying the polar vortex of 2019 (Submitted by Debbi Frahm)

Making snow (Submitted by Macie Kalb)

Michigan Avenue at dusk (Submitted by Tom Rossiter)

Chicago River at dusk (Submitted by Tom Rossiter)

Chicago Park District's Garfield Park Conservatory is open and warm! (Submitted by Tim Later)

Apple on ice (Submitted by Tom Rossiter)

Car temperature (Submitted by Ava Martin)

Greetings from the southwest suburbs of Siberia (Submitted by Robert Timmerman)

My dad and me out for a brisk run Thursday morning. Bundle up! (Submitted by Brian Wagner)

Edgewater sunrise on Jan. 31, 2019 (Submitted by Susan McLain)

Cold backyard (Submitted by Aimee Pacente)

Snowmobile fun (Submitted by Bob Richter)

My Weimaraner Louie (Submitted by Bob Richter)

Beaver today feb 2 along the lake in South Chicago. (Submitted by Brendon Stutzman)

Wed 1.30.2018 leaving o'hare airport. (Submitted by Renee Briones)

My WTTW coworker thought I’d enjoy this little message on my car. Too bad I’m a Packers fan. Go Pack Go! (Submitted by Crystin Immel)

(Submitted by Tricia D.)