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Tornado in Porter County, Indiana
29 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.
Porter County, Indiana, has 29 tornado events in the NCEI record since 1950, with at least one in 20 different years.
June is the busiest month, with 8 of the recorded events. The last 20 years account for 10 events against 3 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 2,103 tornado events recorded in Indiana; its 6.9 per 100 square miles compares with 5.9 statewide.
NCEI attributes 1 death in the county to tornadoes.
By rating: 11 at (E)F0, 7 at (E)F1, 2 at (E)F2, 5 at (E)F3, 0 at (E)F4, 0 at (E)F5 and 4 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Indiana
| Measure | Porter County | Indiana | US |
|---|---|---|---|
| Tornado events since 1950 | 29 | 2,103 | 81,281 |
| Per 100 square miles | 6.9 | 5.9 | 2.3 |
| Per 10,000 residents | 1.7 | 3.1 | 2.4 |
| Deaths recorded | 1 | 276 | 6,410 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
0Mar
3Apr
6May
2Jun
8Jul
4Aug
3Sep
1Oct
2Nov
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 29 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 |
|---|---|---|---|---|---|---|---|
| 11 Jun 2026 | Tornado | EF0 | — | — | — | — | County |
| 11 Jun 2026 | Tornado | EF unrated | — | — | — | — | County |
| 11 Jun 2026 | Tornado | EF3 | — | — | — | — | County |
| 7 Sep 2024 | Tornado | EF unrated | — | — | — | — | County |
| 15 Jul 2024 | Tornado | EF0 | — | — | — | — | County |
| 15 Jul 2024 | Tornado | EF1 | — | — | — | — | County |
| 31 Mar 2023 | Tornado | EF0 | — | — | — | — | County |
| 20 Jun 2021 | Tornado | EF0 | — | — | — | — | County |
| 26 Oct 2010 | Tornado | EF0 | $50K | — | — | — | County |
| 19 Aug 2009 | Tornado | EF2 | $1.5M | — | — | — | County |
| 25 Aug 2001 | Tornado | F0 | — | — | — | — | County |
| 18 May 2000 | Tornado | F0 | — | — | — | — | County |
| 3 Aug 1988 | Tornado | F1 | $250 | — | — | — | County |
| 6 Jun 1980 | Tornado | F0 | — | — | — | — | County |
| 30 May 1980 | Tornado | F1 | — | — | 1 | — | County |
| 12 Mar 1976 | Tornado | F3 | $250K | — | — | — | County |
| 12 Mar 1976 | Tornado | F2 | $3K | — | — | — | County |
| 18 Apr 1975 | Tornado | F0 | $25K | — | — | 4 | County |
| 20 Jun 1974 | Tornado | F1 | $25K | — | — | — | County |
| 24 Oct 1967 | Tornado | F3 | $25K | — | — | — | County |
| 9 Jul 1966 | Tornado | F0 | $3K | — | — | — | County |
| 9 Jul 1966 | Tornado | F1 | $250 | — | — | — | County |
| 25 Apr 1965 | Tornado | — | $250 | — | — | — | County |
| 11 Apr 1965 | Tornado | F3 | $25M | — | — | — | County |
| 10 Jun 1963 | Tornado | F0 | — | — | — | — | County |
| 30 Apr 1962 | Tornado | F3 | $3K | — | — | — | County |
| 30 Apr 1960 | Tornado | F1 | $30 | — | — | 1 | County |
| 8 Jun 1958 | Tornado | F1 | $25K | — | — | — | County |
| 5 Apr 1958 | Tornado | — | $3K | — | — | — | County |
Questions and answers
How many tornado events has Porter County had?
29 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 Porter County?
11 Jun 2026 (Tornado, EF3). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Porter County?
The tornado of 11 Apr 1965, with property damage estimated by NCEI at $25M.
How does Porter County compare with Indiana for tornado?
6.9 events per 100 square miles against 5.9 statewide; the county holds 29 of the state's 2,103 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 1 Oct 2026. See the methodology, the Tornado hub and the county page.