Cold backyard (Submitted by Aimee Pacente)

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

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)

(Submitted by Tricia D.)

Chicago River at dusk (Submitted by Tom Rossiter)

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

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)

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

Chicago at sunrise (Submitted by Dan Soles)

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)

Michigan Avenue at dusk (Submitted by Tom Rossiter)

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

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

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)

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

Chicago at sunrise (Submitted by Dan Soles)

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

Making snow (Submitted by Macie Kalb)

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

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

Miller Beach, Wednesday afternoon (Submitted by Scott Alwin)

Chicago at sunrise (Submitted by Dan Soles)

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

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

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

Car temperature (Submitted by Ava Martin)

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

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

My Weimaraner Louie (Submitted by Bob Richter)

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

Oak Street Beach (Submitted by Eugene Jablonowski)

Apple on ice (Submitted by Tom Rossiter)

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

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

Snowmobile fun (Submitted by Bob Richter)

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

My Dad’s backyard (Submitted by Jan Schroeder)

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

Cold weather at Northwestern University (Submitted by Eric Chin)

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