Summary (tl;dr)

Chicago is currently grappling with a severe cold snap and record-setting early winter snowfall, leading to widespread searches for weather updates and temperature information as officials issue advisories and open warming centers.

Essential Background

Chicago's climate is characterized as humid continental, featuring distinct seasons with typically cold, snowy winters. On average, the city experiences approximately 37 to 38 inches of snowfall annually, with January historically being the coldest and snowiest month. Lake Michigan plays a role in moderating temperatures but can also contribute to increased snowfall through lake-effect events, influencing the city's winter weather patterns.

The Full Story

"Chicago weather" and "temp in chicago" are trending as the city faces an exceptionally cold and snowy start to the winter season in December 2025. Temperatures in Chicago are currently hovering around a frigid 11°F (-12°C), with wind chills making it feel like 0°F (-18°C). The National Weather Service in Chicago has issued forecasts for continued bitterly cold temperatures and sub-zero wind chills throughout the weekend of December 13-14, accompanied by periodic chances of snow. The 2025-2026 snowfall season has begun with a historic accumulation, reaching 17.1 inches by December 7, which nearly equals the total snowfall for the entirety of the previous winter and marks the quickest start to winter since 1978. This follows a record-breaking November snow event, where O'Hare International Airport recorded 8.4 inches on a single Saturday, making it the snowiest November day in the city's history. Furthermore, a new winter storm system is projected to impact the broader Midwest and Great Lakes region, bringing intense snowfall and high winds that could create blizzard conditions and hazardous travel. In response, the Chicago Office of Emergency Management and Communications (OEMC) has urged residents to prepare for the extreme cold and snow, and has activated numerous warming centers across the city.

Why It Matters

The ongoing extreme cold and heavy snowfall present significant challenges for Chicago residents and city operations, driving concerns about public safety, transportation disruptions, and heightened demand for heating. The anticipated hazardous driving conditions, including potential whiteouts from the approaching storm, necessitate increased caution for commuters and travelers. To mitigate risks, the City of Chicago has made warming centers available and advised residents on preventing frostbite and hypothermia. This unusually early and intense winter weather is shaping up to be more severe than recent years, with potential implications for holiday travel and daily routines extending through the season.

Geographic Location

• Chicago, Cook County, Illinois, United States (experiencing bitterly cold temperatures, significant snowfall, and winter storm advisories, with warming centers opened)
• O'Hare International Airport, Chicago, Cook County, Illinois, United States (recorded record November snowfall and is a key transportation hub affected by winter weather)