High Wind — Lake, South Dakota
2025-12-09 to 2025-12-10 · Lake, South Dakota
Event narrative
Synoptic northwest winds were sustained from 40 to 52 mph with a peak gust of 65 mph at a South Dakota Mesonet site 6 miles south of Madison and 64 mph at an Automated Weather Observing System site at Madison.
Wider weather episode
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_id 1305829. Narrative written by the NWS forecast office that issued the report.