Cold/Wind Chill — Bon Homme, South Dakota

2025-12-13 to 2025-12-14 · Bon Homme, South Dakota

Event narrative

Wind chills reached as low as -27 degrees near Scotland and -26 degrees 5 miles east-southeast of Tyndall.

Wider weather episode

A clipper system brought a band of light to moderate snowfall across southeast South Dakota, northeast Nebraska, and northwest Iowa during the early morning through midday hours of December 13. With northerly winds as much as 15 to 30 mph, a strong arctic high-pressure area plunged through the Northern Plains through December 14 with dangerously cold conditions and wind chills as low as -20 degrees F to -35 degrees F.

Source: NOAA Storm Events Database, event_id 1307275. Narrative written by the NWS forecast office that issued the report.