Jefferson County tornado history
1 tornadoes touched Jefferson County, Montana between 1950 and 2025 — about 0.0 a year.
1tornadoes since 1950
—strongest rating
0killed · 0 injured
3.7 milongest path · 2023
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only
By rating
(E)F00
(E)F10
(E)F20
(E)F30
(E)F40
(E)F50
unrated1
By month
JFMAMJJASOND
Peak month: August.
By decade
’50’60’70’80’90’00’10’20
Strongest tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Aug 6, 2023 | unrated | 3.7 mi | 70 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Aug 6, 2023 | unrated | 3.7 mi | 70 yd | 0 | 0 |
Nearby counties
Questions
How many tornadoes has Jefferson County, Montana had?
1 tornadoes touched Jefferson County, Montana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.0 per year.
When is tornado season in Jefferson County?
Most of its tornadoes happened in August (1 of 1). 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.