Mercer County PA Tornado Warnings — Live Alerts & History
Pennsylvania · 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
22
1950–present · NOAA/SPC
Violent (EF3+)
1
4.5% of total
Fatalities
1
31 injuries
Strongest Rating
F3
Fujita / Enhanced Fujita
Most Recent
August 6, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| March 26, 2026 | 10:43 PM UTC | 11:00 PM UTC |
Mercer County Facts
- FIPS Code
- 42085
- NWS County Code (UGC)
- PAC085
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.