Teton County tornado history
4 tornadoes touched Teton County, Montana between 1950 and 2025 — about 0.1 a year. The strongest was rated F2 (Jul 2, 1966).
4tornadoes since 1950
F2strongest rating
0killed · 0 injured
27 milongest path · 1964
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only
By rating
(E)F02
(E)F11
(E)F21
(E)F30
(E)F40
(E)F50
By month
JFMAMJJASOND
Peak month: June.
By decade
’50’60’70’80’90’00’10’20
Strongest tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Jul 2, 1966 | F2 | 0.8 mi | 50 yd | 0 | 0 |
| Jul 2, 1964 | F1 | 27 mi | 10 yd | 0 | 0 |
| Jun 5, 1963 | F0 | 1.5 mi | 10 yd | 0 | 0 |
| Jun 29, 1986 | F0 | 0.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Jun 29, 1986 | F0 | 0.2 mi | 10 yd | 0 | 0 |
| Jul 2, 1966 | F2 | 0.8 mi | 50 yd | 0 | 0 |
| Jul 2, 1964 | F1 | 27 mi | 10 yd | 0 | 0 |
| Jun 5, 1963 | F0 | 1.5 mi | 10 yd | 0 | 0 |
Nearby counties
Questions
How many tornadoes has Teton County, Montana had?
4 tornadoes touched Teton County, Montana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.1 per year.
What was the strongest tornado in Teton County?
The strongest rating recorded was F2 on Jul 2, 1966, with a 0.8-mile path.
When is tornado season in Teton County?
Most of its tornadoes happened in June (2 of 4). Tornadoes can occur in any month, so keep alerts on year-round.
Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).