The following Interstate closures are scheduled for Saturday, March 14, 2026 for the following locations and times:
Interstate 29 (both northbound and southbound) from Watertown (exit 177) to the North Dakota state line at 9 p.m. (CT);
Interstate 29 (both northbound and southbound) from Watertown to Brookings (exit 133) at 10:30 p.m. (CT);
Interstate 29 (both northbound and southbound) from Brookings to Sioux Falls at I-90 (exit 84) at 12 a.m. (CT); and
Interstate 90 (both eastbound and westbound) from Wall (exit 110) to Sioux Falls at Marion Road (exit 395) at 11 p.m. (MT) /12 a.m. (CT).
In addition to the planned Interstate closures, State Highways will also be closed on Saturday, March 14, 2026, at the following locations and times, please check SD511 for details:
East of the Missouri River and north of U.S. Highway 212 at 9 p.m. (CT);
East of the Missouri River and north of U.S. Highway 14 at 10:30 p.m. (CT);
East of the Missouri River and north of I-90 at 12 a.m. (CT); and
West of Missouri River between S.D. Highway 34 / U.S. Highway 14 and I-90 to S.D. Highway 73 at 12 a.m. (CT)
Motorists should not use secondary highways and local roads to avoid an Interstate closure. Snow-packed and icy roads; along with blizzard-like conditions will make travel very dangerous through the overnight and into Sunday, March 15, 2026.
Dependent upon final snow accumulations and sustained winds, some Interstate and State highway closures are anticipated to be in place through the day on Sunday.
