Chicago area has been experiencing frigid conditions in recent days. But according to the National Weather Service, windchills dropped in 11 states. Warning of “life-threatening cold,”

Results, highlights, starting grid, schedule, start time change and where to watch. About 1:30 a.m. Sunday on I-20 at Hwy 310, a semi-truck driver trying to avoid a crash went off the roadway, over the guardrail and crashed on the roadway below.

The advisory and school closures comes amid extreme cold warnings for 11 states across the U.S., stretching from the Canadian border to Oklahoma and central Texas.

The extreme cold has its grip on Chicagoland, and it'll stay that way for the next few days. Here's the latest forecast.