Chicago, Illinois and areas close to Lake Michigan are under high wind warnings as a strong low pressure system will move close to the region today, kicking up high winds and waves on the lake.
You can see the expected sustained wind speeds and expected wind gusts above in a table for Chicago. Below is the expected height of the wind speeds. Image is for wind gusts.
This image is valid for 1 AM tomorrow morning. Check out how Gary, Indiana will be getting 50 MPH wind gusts out of this! Boaters on Lake Michigan should take every precaution to not go boating in the next couple days, as waves will be over 25 feet high, with the occasional biggest waves at 34 feet.