Walworth County SD Tornado Warnings — Live Alerts & History
South Dakota · updates automatically
Active Tornado Warnings
No active tornado warnings for Walworth County right now
This page updates automatically — new NWS tornado warnings for the county appear here within about a minute of issuance.
Tornado History for Walworth County (Since 1950)
Tornadoes on Record
28
1950–present · NOAA/SPC
Violent (EF3+)
3
10.7% of total
Fatalities
0
Direct deaths
Strongest Rating
EF4
Fujita / Enhanced Fujita
Most Recent
September 14, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| September 14, 2025 | 5:38 PM UTC | 6:15 PM UTC |
Walworth County Facts
- FIPS Code
- 46129
- NWS County Code (UGC)
- SDC129
More for Walworth County
- South Dakota tornado history
- FEMA disaster declarations for Walworth County
- All South Dakota counties
Recent warning events
Active warnings come from the National Weather Service and refresh on
this page about once a minute. Tornado climatology is computed from the
NOAA/SPC storm events archive (1950–present). VORTEX is not a substitute
for official NWS warnings or a NOAA Weather Radio.