Mercer County OH Tornado Warnings — Live Alerts & History
Ohio · updates automatically
Active Tornado Warnings
No active tornado warnings for Mercer 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 Mercer County (Since 1950)
Tornadoes on Record
25
1950–present · NOAA/SPC
Violent (EF3+)
1
4.0% of total
Fatalities
1
21 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
May 8, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| June 17, 2026 | 12:08 AM UTC | 12:45 AM UTC |
| June 12, 2026 | 3:18 AM UTC | 3:45 AM UTC |
| March 27, 2026 | 12:07 AM UTC | 12:45 AM UTC |
Mercer County Facts
- FIPS Code
- 39107
- NWS County Code (UGC)
- OHC107
More for Mercer County
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.