Harper County OK Tornado Warnings — Live Alerts & History
Oklahoma · updates automatically
Active Tornado Warnings
No active tornado warnings for Harper 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 Harper County (Since 1950)
Tornadoes on Record
26
1950–present · NOAA/SPC
Violent (EF3+)
2
7.7% of total
Fatalities
0
7 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
September 8, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| September 8, 2025 | 11:55 PM UTC | 12:45 AM UTC |
| September 8, 2025 | 11:12 PM UTC | 12:00 AM UTC |
| September 8, 2025 | 10:34 PM UTC | 11:15 PM UTC |
Harper County Facts
- FIPS Code
- 40059
- NWS County Code (UGC)
- OKC059
More for Harper 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.