Updated 3:19pm 3-6-18
Interstate 90 is now completely re-open to traffic from Sioux Falls west to Murdo.
Updated 1:43pm 3-6-18
Officials with the South Dakota Department of Transportation and the Department of Public Safety have opened Interstate 90, east and westbound, from Mitchell to Sioux Falls.
Officials are advising westbound I-90 drivers to refrain from travel if their destination is west of Mitchell.
Travel between Sioux Falls and Mitchell is still very difficult and motorists should travel only if absolutely necessary.
Blizzard conditions still exist on the section of I-90 between Mitchell and Murdo, which remains closed.
There are no time frames for when this segment may be able to be opened.
UPDATED 9:54AM 3-6-18
Interstate-29 has re-opened in South Dakota from the Iowa border to North Dakota.
South Dakota authorities say Interstate 90 from Sioux Falls west to Murdo remains closed because of a blizzard warning for most of the state.
Even though I-29 is now open in South Dakota, the Highway Patrol says the interstate remains icy and motorists will have to drive at greatly reduced speeds.
They encourage drivers to travel only if absolutely necessary.
Motorists are encouraged to check conditions at www.safetravelusa.com/sd or by calling 5-1-1 before traveling.
Here in Sioux City, snowplows are out but many streets and roads remain slippery from snow and ice.
Authorities advise drivers to stay off the roads this morning if possible as conditions will improve this afternoon.
Officials with the South Dakota Department of Transportation and the Department of Public Safety have closed Interstate 29 from the Iowa border to the North Dakota border (north and southbound) as of 6:30 p.m.
Truck drivers are to pull off at the Sam’s Club in the Singing Hills area.
State authorities have also closed Interstate 90 from Mitchell to Sioux Falls (east and westbound) effective immediately .
That closed I-90 from Sioux Falls west to Murdo.
No Travel Advisories are posted on many highways as roadways are snow-packed and icy.
Heavy snow and strong winds gusting upwards of 50 mph, are making safe travel nearly impossible on the Interstate and most highways in eastern South Dakota.
Motorists are encouraged to check conditions at www.safetravelusa.com/sd or by calling 511 before traveling Monday night or Tuesday.