High Wind in Union, South Dakota

High Wind December 10, 2025 · Union, South Dakota

61 mph

Measured gust (53 kt)

What the National Weather Service wrote

Synoptic northwest winds were sustained from 40 to 46 mph with a peak gust of 61 mph at a South Dakota Road Weather Information System site 3 miles south-southwest of Beresford and 59 mph in North Sioux City.

The wider storm

An amplifying clipper system raced from southern Alberta to Wisconsin from later on December 9 through midday on December 10. Intense synoptic winds developed on the back side of the system behind the surging cold front. Widespread northwest wind gusts reached 50 to 70 mph over several hours and resulted in considerable small limb damage and some spotty infrastructure damage.

Source: NOAA Storm Events Database, event 1307059. Narratives are written by the National Weather Service forecast office that issued the report.

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