Yankton County weather alerts
There are no active weather alerts for Yankton County, SD right now.
Since 2016 the National Weather Service has issued about 921 alerts that included Yankton County, roughly 92 a year. The most common is the severe thunderstorm warning (160 from 2016 to 2025). The last tornado warning was issued on September 2, 2026. 29 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Yankton County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Turner County, Hutchinson County, Bon Homme County, Clay County.
Yankton County alert history
Alert events that included Yankton County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 160 | 24 | September 8, 2026 |
| Wind Advisory | 98 | 3 | June 17, 2026 |
| Winter Weather Advisory | 86 | 5 | March 16, 2026 |
| Dense Fog Advisory | 85 | 9 | September 30, 2026 |
| Severe Thunderstorm Watch | 72 | 12 | September 8, 2026 |
| Heat Advisory | 60 | 8 | September 4, 2026 |
| Red Flag Warning | 60 | 11 | May 14, 2026 |
| Flood Warning | 41 | 0 | June 23, 2024 |
| Cold Weather Advisory | 38 | 2 | January 26, 2026 |
| Fire Weather Watch | 35 | 6 | April 22, 2026 |
| Winter Storm Watch | 33 | 1 | March 15, 2026 |
| Winter Storm Warning | 24 | 0 | November 28, 2025 |
| High Wind Warning | 19 | 3 | March 15, 2026 |
| Freeze Warning | 14 | 2 | October 17, 2026 |
| Extreme Heat Warning | 12 | 1 | July 25, 2026 |
| Flash Flood Warning | 12 | 1 | July 3, 2026 |
| Blizzard Warning | 11 | 1 | March 15, 2026 |
| Frost Advisory | 11 | 3 | May 20, 2026 |
| Flood Watch | 11 | 0 | June 21, 2024 |
| Tornado Watch | 9 | 2 | June 10, 2026 |
| Extreme Heat Watch | 8 | 0 | July 27, 2025 |
| Extreme Cold Warning | 7 | 1 | January 23, 2026 |
| High Wind Watch | 4 | 1 | March 13, 2026 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Tornado Warning | 4 | 2 | September 2, 2026 |
| Freeze Watch | 3 | 1 | October 17, 2026 |
Tornado history in Yankton County
29 tornadoes have been recorded in Yankton County since 1950, killing 1 people and injuring 1. That ranks 32 of 66 counties in South Dakota. The most recent was on August 28, 2014 (rated EF0).
Strongest tornadoes in Yankton County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 7, 1965 | F4 | Yankton County | 7.8 mi | 647 yd | 1 | 0 |
| June 18, 1954 | F3 | Yankton County | 12.8 mi | 33 yd | 0 | 0 |
| June 18, 1954 | F3 | Yankton County | 0.1 mi | 30 yd | 0 | 0 |
| May 30, 1959 | F3 | Yankton County | 0.1 mi | 10 yd | 0 | 0 |
| April 20, 1985 | F2 | Yankton County | 10 mi | 440 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 28, 2014 | EF0 | Yankton County | 3.7 mi | 50 yd | 0 | 0 |
| May 8, 2013 | EF0 | Yankton County | 0.5 mi | 25 yd | 0 | 0 |
| June 16, 2009 | EF0 | Yankton County | 0.3 mi | 50 yd | 0 | 0 |
| May 29, 2008 | EF0 | Yankton County | 0.1 mi | 50 yd | 0 | 0 |
| May 5, 2007 | EF2 | Yankton County | 0.5 mi | 100 yd | 0 | 0 |
About Yankton County
- Population: 23,509 (2024 estimate)
- State: South Dakota
- NOAA Weather Radio SAME code: 046135 (how to use it)