Prairie County tornado history
3 tornadoes touched Prairie County, Montana between 1950 and 2025 — about 0.0 a year. The strongest was rated F2 (Jul 18, 1962).
3tornadoes since 1950
F2strongest rating
0killed · 0 injured
40.6 milongest path · 1962
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only
By rating
(E)F00
(E)F12
(E)F21
(E)F30
(E)F40
(E)F50
By month
JFMAMJJASOND
Peak month: July.
By decade
’50’60’70’80’90’00’10’20
Strongest tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| Jul 18, 1962 | F2 | 40.6 mi | 10 yd | 0 | 0 |
| Jul 6, 1955 | F1 | 0.1 mi | 1,000 yd | 0 | 0 |
| May 20, 2011 | EF1 | 0.1 mi | 66 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | Path | Width | Injured | Killed |
|---|
| May 20, 2011 | EF1 | 0.1 mi | 66 yd | 0 | 0 |
| Jul 18, 1962 | F2 | 40.6 mi | 10 yd | 0 | 0 |
| Jul 6, 1955 | F1 | 0.1 mi | 1,000 yd | 0 | 0 |
Nearby counties
Questions
How many tornadoes has Prairie County, Montana had?
3 tornadoes touched Prairie County, Montana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.0 per year.
What was the strongest tornado in Prairie County?
The strongest rating recorded was F2 on Jul 18, 1962, with a 40.6-mile path.
When is tornado season in Prairie County?
Most of its tornadoes happened in July (2 of 3). 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).