Snowfall Observations for O'Hare, Rockford, Romeoville, and Midway (Co-Op)

SNOWFALL OBSERVATIONS

The data in the table below shows official snowfall observations, which are taken every 6 hours, going back over the past 36 hours. The most recent observations are on the left. New data generally updates around 6:30 AM/PM CST (7:30 AM/PM CDT) and 12:30 AM/PM CST (1:30 AM/PM CDT).

If you notice old data, try reloading the page while ignoring caching by hitting Shift + F5 on a PC, or Shift + Command + R on a Mac.

A measurement denoted as 'T' indicates that a trace of snowfall was recorded, which signifies that snow fell, but did not accumulate during the corresponding 6-hour observation period.