Blizzard — Grant, South Dakota

2025-12-28 to 2025-12-29 · Grant, South Dakota

Event narrative

Blizzard conditions reported on Milbank AWOS starting around 8 am with visibility consistently down to between a quarter to a half mile. Wind gusts were initially up around 45 mph, but increased through the day with a peak of 62 mph by 710pm.

Wider weather episode

Strong winds and light snow combined to produce blizzard conditions across far northeast South Dakota. The Milbank Automated Weather Observing System (AWOS) recorded a peak wind gust of 62 mph and consistent visibilities between 1/4 and 1/2 mile. The COOP observer in Webster recorded 3.2 inches of snow, while 2.5 inches fell near LaBolt. The hazardous conditions prompted No Travel Advised notices in Roberts and Day counties.

Source: NOAA Storm Events Database, event_id 1303005. Narrative written by the NWS forecast office that issued the report.