Chicago Breaking News:
Airlines have canceled more than 400 flights at O'Hare International Airport as of 3 p.m. today because of the snowstorm moving through the Chicago area, city aviation officials said.
That was 150 more flights since 10:45 p.m.[...]
The city has its full complement of 274 snow-fighting trucks working main arteries.
A winter weather advisory from the National Weather Service is in effect until 6 p.m. Wednesday.
Snowfall of 2 to 4 inches is expected today, with 1 to 2 inches forecast for tonight. Precipitation is expected to mix with sleet and freezing rain over all but far northern Illinois tonight. An additional 1 to 3 inches is forecast for Wednesday as the mixed precipitation turns back to all snow.