Winter Storm — Hermosa Foothills, South Dakota

2019-04-10 to 2019-04-11 · Hermosa Foothills, South Dakota

Wider weather episode

An intense spring storm system brought rain, snow, and gusty winds to the area. Rain developed during the late afternoon and night of April 9. Rain gradually switched over to snow across northwestern South Dakota and the Black Hills area during the overnight hours. Thundersnow was also noted over the Black Hills area during the early morning of April 10. Snow was heavy at times during the late night and morning across parts of northwestern South Dakota. Snow expanded across the rest of the western and south central South Dakota plains during the day. Winds increased from the north late Wednesday and persisted into Thursday. Blowing and drifting snow developed, especially east of the Black Hills, where blizzard conditions occurred in some areas late Wednesday night and Thursday. Snowfall totals ranged from a few inches over far southwestern South Dakota to over two feet across portions of west central and south central South Dakota.

Source: NOAA Storm Events Database, event_id 809518. Narrative written by the NWS forecast office that issued the report.