South Dakota official have closed Interstate 29 from Brookings to the North Dakota border.
Strong winds and heavy snow are creating blizzard conditions with drifting snow and limited visibility making travel dangerous to impossible.
There is no timeline at this point for reopening this section of interstate. Officials say further closures on South Dakota's interstate system are likely as the storm continues through Satruday morning.
Officials are urging no unnecessary travel throughout the state until the storm passes. Those who must travel in areas that are open should take the following safety precautions.
