CO will do what the FAA and NOAA advise. Their planes will not get caught on the ground if the storm were to vere that far north. The closest airport is Midway, but its more likely they will delay flights at departure cities instead of Midway, which is for emergencies only.
By the way, on the NOAA website, you can see a picture of INIKI where the whole island of Kauai is in the eye of the storm