Extreme Cold/Wind Chill — Hanson, South Dakota

2025-02-13 · Hanson, South Dakota

Event narrative

The lowest wind chills ranged from 35 to 43 below zero with 43 below zero observed at the South Dakota Road Weather Information System site near Alexandria.

Wider weather episode

High pressure, clearing skies, and fresh snow cover allowed air temperatures to drop well below zero during the overnight and early morning hours of February 13. When combined with light winds, dangerous wind chills developed, ranging from 35 to 44 below zero.

Source: NOAA Storm Events Database, event_id 1294220. Narrative written by the NWS forecast office that issued the report.