'Large Snowflakes' Fly in Sioux Falls Amid Weather Advisory

The National Weather Service (NWS) warned of hazardous driving conditions around Sioux Falls, South Dakota, on March 16, as falling temperatures and snow caused icy and slick surfaces.

Footage posted to the NWS Sioux Falls Twitter page shows “large snowflakes” falling outside the service’s office just before 9 am on Thursday.

The NWS issued a winter weather advisory for portions of east central and southeast South Dakota until 1 am on Friday. Credit: NWS Sioux Falls via Storyful