Even at this late hour, it's a beautiful night for a stroll along the lakefront. A little on the windy side, but fall jacket weather at most. By this time tomorrow, though, you're going to need a hat and gloves if you want to enjoy this view of the skyline.
Wednesday night in Daley Plaza, Christkindlmarket was bustling. But with temperatures in the 50s, many chose cold beer over the traditional hot spiced wine.
I'm going to have to take off my jacket. I'm too warm," said Kristen Buttelmann. "Yeah, yeah, it's a beautiful night. Perfect."
It was shorts weather for some here.
"This weather's incredible. Not looking forward to what's coming, but perfect night for this," said Patrick Casey.
Earlier, thick fog blanketed much of the area. This was the scene in Lake County where visibility was an issue.
On Wednesday, just a thin layer of fog remained, not enough to ruin the view. For picture-takers and lakefront joggers.
"We've been hanging out, walking around the city, having a blast while we still can before it's, you know, freezing," said Steven Difiore.
That's right, this day is one and done. The deep freeze already has hit much of the nation.
By Monday, single digit lows could impact the Bears game with Dallas. The Cowboys tweeted out a photo showing the extra gear they're prepared to bring.
Some here welcome the return to winter.
"I heard it's going to snow. I'm so pumped, so pumped. I'm pulling out my boots and everything," said Lis Riley.
"Tranquil" the word to describe this night along the lakefront. We saw plenty of folks Wednesday evening walking around without coats on-- a welcome, though short-lived, reprieve from Old Man Winter.
Wintry mix in Rockies, Midwest
A wintry storm pushing through the Rockies and Midwest is bringing bitterly cold temperatures and treacherous driving conditions blamed in at least six deaths as it threatens crops as far south as California.
The wind chill could drop to 30 degrees below zero in parts of Montana Wednesday while wind chills of minus 20 have already been recorded in the Nebraska Panhandle. Low temperatures in the Denver area were expected to drop below zero over the next several days.
The jet stream is much farther south than normal, allowing the cold air to push in from the Arctic and drop temperatures by 20 to 40 degrees below normal levels, AccuWeather meteorologist Tom Kines said.
Areas of Montana and the Dakotas were forecast to reach lows in the minus-20s, while parts of California could see the thermometer drop to the 20s. The icy arctic blast was expected to be followed by another one later in the week, creating an extended period of cold weather that hasn't been seen since the late 1990s, meteorologists said.
The unrelenting storm has spread about 2 feet of snow in northeastern Minnesota. The heavy snow and ice has contributed to hundreds of traffic accidents around Minnesota and was cited in at least four fatal crashes since Monday. The snow storm closed the University of Minnesota Duluth and most other schools in the area.
In Colorado, the American Red Cross opened a warming shelter in a church in Black Forest near Colorado Springs, to help people still recovering from a wildfire in June that destroyed nearly 500 homes and killed two people.
Officials warned residents to protect themselves against frostbite if they are going to be outside for any length of time.
"When it gets this cold, you don't need 30, 40 mile-per-hour winds to get that wind chill down to dangerous levels. All it takes is a little breeze," Kines said.
The storm hit the northern Rockies on Monday and Tuesday, dumping up to 2 feet of snow in the mountains and in Yellowstone National Park.
A four-vehicle crash in central Montana killed Chelsea Stanfield, 21, of Great Falls. Authorities said Stanfield was driving too quickly for the icy conditions.
In North Dakota, Ronald Waters, 59, of Watford City, died when the semitrailer he was driving rolled in a ditch south of the city.
In the Dakotas, cattle ranchers who lost thousands of animals in an October blizzard were bracing for the latest wintry weather, with wind chills of 40 degrees below zero expected by week's end.
Cattle should be able to withstand the harsh conditions better than they did the Oct. 4 blizzard, said Julie Ellingson, executive vice president of the North Dakota Stockmen's Association.
"Cattle are a hardy species; they can endure a lot," she said. "With that October storm, they didn't have their winter hair coat yet. They've acquired some of that extra hair that will help insulate them better."
The cold was expected to keep pushing south and bring near-record low temperatures to parts of California. Citrus famers in the Central Valley checked wind machines and ran water through their fields in anticipation of temperatures at or below freezing Tuesday night, followed by even colder weather on Saturday.
However, farmers should not panic, said Bob Blakely of California Citrus Mutual, a trade association. Cold weather can be good for the crops, he said.
"Trees and fruits need some of that cold weather to harden off and prepare for late December and January," he said.
The system was pushing south, and Texans enjoying balmy 80-degree days should be seeing temperatures in the 40s by Thursday, Kines said.
The cold air is expected to linger until next week then move east, where it will bring less-drastic temperature changes, he said.
The Associated Press contributed to this report.