Wind chills could get as low as -10 degrees this weekend, according to the National Weather Service.
The rainy start to New Year's Eve could transform into flurries as the new year approaches.
The Climate Prediction Center has released its 8-14 day temperature and precipitation outlooks which gives us a look at early January.
Fog is also expected through Thursday morning, with some areas of locally dense fog.
Temperatures will have highs in the 40s all week, and will even peak in the 50s on Friday.
Snow showers will continue Friday morning, with a high of 35 degrees. By Monday, the high is 45.
The winter solstice on Saturday will be the shortest day of the year, with only 9 hours and 7 minutes of daylight in Illinois.
The weather service said that a period of snow is expected late Thursday afternoon into the evening, especially north of I-80.
We have had a white Christmas 56 times since 1884, according to the report earlier this month from The Weather Channel.
Snow could impact the Wednesday morning commute, especially for areas north of Interstate 80.
A dense fog advisory is also in effect Monday morning for the Chicago area.
Earlier in the day on Saturday will be dry, but rain is expected late Saturday into Sunday.
With Christmas Day now in the long-range weather outlook, does a white Christmas look likely?
Snow showers are also expected as the cold front moves into the area Wednesday.
Produced by debris left behind by the asteroid 3200 Phaethon, the Geminids began appearing in the mid-1800s.
"Temperatures will tumble" on Wednesday, bring a sharp cold blast of air.
What are the chances of seeing snow on Christmas Day in Chicago?
The next chance of precipitation is Sunday night, especially for areas southeast of I-55, the weather service said.
Gusts of 45 mph are possible with wind chills of 15 below zero possible early Thursday.
See predictions from NOAA, AccuWeather, The Old Farmer’s Almanac and The Farmers' Almanac for winter in Illinois.
Below zero wind chills are expected Thursday morning.
Single-digit wind chills are possible Saturday and Sunday mornings, the weather service said.
Temperatures on Thanksgiving night will drop into the teens.
There's a 30 to 40 percent chance of wintry weather for Tuesday through Thursday.
Will weather impact your travel plans for Thanksgiving Day? Here's the outlook in Illinois.
Snowfall rates could approach an inch per hour for a few hours on Thursday morning.
Rates up to 1 inch of snow per hour are possible on Thursday morning.
"We may see rain mix with or change to snow Wednesday night into Thursday morning, the first of the season," the weather service said.
"Mild temperatures will persist into early next week amid plenty of cloud cover," the weather service said on its Facebook.
Monday will be windy with gusts as high as 25 mph, and temperatures will fall after a cold front in the afternoon, the weather service said.
"Tranquil conditions" are expected on Friday and Saturday, before rain in the evening.
The typical first date of measurable snow is quickly approaching on Nov. 18.
A rainy, windy start to the week is expected before weather dries out Wednesday through Friday.
The forecast for the first half of November shows temperatures exceeding the average for this time of year.
Bundle up, and tie down those Halloween decorations!
The Taurids are the only shooting star show with meteors from two debris streams. November’s is the last of four consecutive supermoons.
Daylight savings time, which has been observed for 116 years, began on March 10.
"Any fire that develops will catch and spread quickly," according to the red flag warning.
Plus: will it rain on trick-or-treaters?
Will it rain on trick-or-treaters? Here's what forecasters say to expect in Illinois on Halloween.