States › Idaho › Power County › Tornado
Tornado in Power County, Idaho
17 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 17 tornado events in Power County, Idaho, between 1950 and 2026, spread over 14 years.
August is the busiest month, with 6 of the recorded events. The last 20 years account for 1 events against 11 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 7.6% of the 224 tornado events recorded in Idaho; its 1.2 per 100 square miles compares with 0.3 statewide.
By rating: 10 at (E)F0, 4 at (E)F1, 1 at (E)F2, 0 at (E)F3, 0 at (E)F4, 0 at (E)F5 and 2 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Idaho
| Measure | Power County | Idaho | US |
|---|---|---|---|
| Tornado events since 1950 | 17 | 224 | 81,281 |
| Per 100 square miles | 1.2 | 0.3 | 2.3 |
| Per 10,000 residents | 21.4 | 1.2 | 2.4 |
| Deaths recorded | 0 | 0 | 6,410 |
| Busiest month | August | June | May |
By year
Seasonality
0Feb
1Mar
0Apr
2May
2Jun
2Jul
4Aug
6Sep
0Oct
0Nov
0Dec
0
Magnitude distribution
Enhanced Fujita scale wind estimates
- EF0/F0
- 65–85 mph (EF0)
- EF1/F1
- 86–110 mph (EF1)
- EF2/F2
- 111–135 mph (EF2)
- EF3/F3
- 136–165 mph (EF3)
- EF4/F4
- 166–200 mph (EF4)
- EF5/F5
- over 200 mph (EF5)
- Unrated
- no rating recorded
Tornado rating as recorded (Fujita scale before February 2007, Enhanced Fujita after).
Recorded events
All 17 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 21 May 2014 | Tornado | EF0 | $1K | — | — | — | County |
| 21 Aug 2006 | Tornado | F0 | $10K | — | — | — | County |
| 28 Apr 2003 | Tornado | F0 | — | — | — | — | County |
| 28 Apr 2003 | Tornado | F0 | — | — | — | — | County |
| 15 Jul 2001 | Tornado | F0 | — | — | — | — | County |
| 14 Feb 2000 | Tornado | F0 | $375K | — | — | — | County |
| 20 Jul 1999 | Tornado | F1 | $50K | — | — | — | County |
| 13 Jun 1996 | Tornado | F0 | — | — | — | — | County |
| 5 Aug 1993 | Tornado | F0 | — | — | — | — | County |
| 17 Aug 1990 | Tornado | F0 | — | — | — | — | County |
| 17 Aug 1990 | Tornado | F0 | — | — | — | — | County |
| 17 Aug 1990 | Tornado | F2 | $250K | — | — | — | County |
| 24 Aug 1986 | Tornado | F1 | — | — | — | — | County |
| 17 Jul 1981 | Tornado | F1 | $3K | — | — | — | County |
| 8 Jun 1967 | Tornado | — | — | — | — | — | County |
| 26 May 1964 | Tornado | F1 | $25K | — | — | — | County |
| 31 Jul 1961 | Tornado | — | — | — | — | — | County |
Questions and answers
How many tornado events has Power County had?
17 events in the NCEI Storm Events record between 1950 and 2026. Reporting of tornadoes became far more complete after 1996, so early decades undercount.
When was the last recorded tornado event in Power County?
21 May 2014 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Power County?
The tornado of 14 Feb 2000, with property damage estimated by NCEI at $375K.
How does Power County compare with Idaho for tornado?
1.2 events per 100 square miles against 0.3 statewide; the county holds 17 of the state's 224 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 30 Sep 2026. See the methodology, the Tornado hub and the county page.