High Wind in Sanborn, South Dakota

High Wind December 9, 2025 – December 10, 2025 · Sanborn, South Dakota

67 mph

Measured gust (58 kt)

What the National Weather Service wrote

Synoptic northwest winds were sustained from 40 to 43 mph with a peak gust of 67 mph at a South Dakota Road Weather Information System site 8 miles east of Alpena, 61 mph 3 miles southeast of Forestburg, and 59 mph at a South Dakota Mesonet site 4 miles north-northwest of Woonsocket.

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 1305827. Narratives are written by the National Weather Service forecast office that issued the report.

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