Coldest Weather of the Season: A Wind Chill Advisory in Effect

Forecast Highs Today

Forecast Hourly Weather Graph: Chicago

Forecast Hourly Weather Graph: Rockford

Hourly Forecast Graphs
Aurora	Chicago Downtown	Chicago Midway Airport	Chicago O'Hare Airport	Gary
Joliet	Kankakee	Pontiac	Rensselaer	Valparaiso
More About Point Specific Forecasts and Hourly Weather Graphs

Relevant Links

Observed Low Temperatures
Hazardous Weather Outlook
Looking Back at the Lowest Temperature On Record in Chicago and Some Thoughts About the Current Cold Snap
Will a Long Streak Without Subzero Temperatures in Rockford and Chicago End By Tuesday Morning?
A Look Back at Below Zero Temperatures and Snow Cover at Chicago-O'Hare
Cold Air Seen on Satellite Advancing South Across Canada on Wednesday Night
A Look at the First Half of Winter
Lack of Cold and Snow Thus Far Breaking Records

National Weather Service Weather Forecast Office