Severe Weather in Yankton County, South Dakota

Every severe weather report published for Yankton County, South Dakota, newest first.

Severe WeatherSep 4, 2026, 8:47 a.m. ETSouth Dakota, United States
Heat Advisory Issued for Parts of Iowa, Nebraska, and South Dakota
The National Weather Service warns of heat index values up to 105 degrees from 1 PM to 6 PM CDT on September 4, 2026.

Heat Advisory Issued for Parts of Iowa, Nebraska, and South Dakota