Severe storms bringing potentially damaging winds are moving through the Chicago area late Friday night, as a fast-moving squall line races through the state. The fast-moving line of storms will be capable of producing destructive winds over 70 miles per hour and potential tornadoes before the storm system clears the Chicago area and Northwest Indiana around 3 a.

What started as a summer-like day Friday will end with potentially severe storms as a powerful system prepares to sweep across the region, but there's a narrow window of time you'll want to make sure you're prepared for.