Bonner County tornado history
4 tornadoes touched Bonner County, Idaho between 1950 and 2025 — about 0.1 a year. The strongest was rated F2 (Apr 9, 1991).
4tornadoes since 1950
F2strongest rating
0killed · 1 injured
4 milongest path · 2004
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only
By rating
(E)F01
(E)F12
(E)F21
(E)F30
(E)F40
(E)F50
By month
JFMAMJJASOND
Peak month: April.
By decade
’50’60’70’80’90’00’10’20
Strongest tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Apr 9, 1991 | F2 | 1 mi | 100 yd | 0 | 0 |
| Aug 19, 1978 | F1 | 1.9 mi | 200 yd | 1 | 0 |
| May 29, 1994 | F1 | 0.1 mi | 20 yd | 0 | 0 |
| Jun 25, 2004 | F0 | 4 mi | — | 0 | 0 |
Most recent tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Jun 25, 2004 | F0 | 4 mi | — | 0 | 0 |
| May 29, 1994 | F1 | 0.1 mi | 20 yd | 0 | 0 |
| Apr 9, 1991 | F2 | 1 mi | 100 yd | 0 | 0 |
| Aug 19, 1978 | F1 | 1.9 mi | 200 yd | 1 | 0 |
Nearby counties
Questions
How many tornadoes has Bonner County, Idaho had?
4 tornadoes touched Bonner County, Idaho between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.1 per year.
What was the strongest tornado in Bonner County?
The strongest rating recorded was F2 on Apr 9, 1991, with a 1-mile path.
When is tornado season in Bonner County?
Most of its tornadoes happened in April (1 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).