UPDATE at 1:15 p.m. (CT): The no travel advisory has been lifted on I-90, but remains in effect on I-29. 

No travel is advised on I-90 at the Interior exit to the Wyoming border and on I-29 from the Estelline exit (north of Brookings) to the North Dakota Border, as of 10:45 a.m. according to Safe Travel 511.

Several state highways including Highway 83 to Pierre and other roads in both the Black Hills and Northeast and North central South Dakota.  

This is a developing story. 

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