Winter Storm — Hermosa Foothills, South Dakota

2021-12-09 to 2021-12-10 · Hermosa Foothills, South Dakota

Wider weather episode

A potent upper-level system tracked across the Black Hills and southern South Dakota, bringing a swath of heavy snow to much of these areas. The heaviest snow bands developed across far southern South Dakota, where ten to 20 inches was reported. Five to ten inches of snow accumulated across most of the Black Hills and west central South Dakota. Amounts tapered off significantly into northwestern South Dakota, where little or no snow was reported.

Source: NOAA Storm Events Database, event_id 991523. Narrative written by the NWS forecast office that issued the report.