Petroleum County tornado history

8 tornadoes touched Petroleum County, Montana between 1950 and 2025 — about 0.1 a year. The strongest was rated F2 (Aug 7, 1962).

8tornadoes since 1950

F2strongest rating

0killed · 0 injured

2 milongest path · 1962

(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F07

(E)F10

(E)F21

(E)F30

(E)F40

(E)F50

JFMAMJJASOND

Peak month: July.

’50’60’70’80’90’00’10’20

Date	Rating	Path	Width
Aug 7, 1962	F2	2 mi	10 yd
Jul 8, 2002	F0	2 mi	50 yd
Jun 28, 2005	F0	2 mi	10 yd
Jul 3, 1978	F0	0.1 mi	10 yd
Jul 23, 1992	F0	0.1 mi	10 yd
Jun 22, 2002	F0	0.1 mi	50 yd
Jul 7, 2020	EF0	0.1 mi	20 yd
Jul 7, 2020	EF0	0.1 mi	50 yd

Date	Rating	Path	Width
Jul 7, 2020	EF0	0.1 mi	20 yd
Jul 7, 2020	EF0	0.1 mi	50 yd
Jun 28, 2005	F0	2 mi	10 yd
Jul 8, 2002	F0	2 mi	50 yd
Jun 22, 2002	F0	0.1 mi	50 yd
Jul 23, 1992	F0	0.1 mi	10 yd
Jul 3, 1978	F0	0.1 mi	10 yd
Aug 7, 1962	F2	2 mi	10 yd

How many tornadoes has Petroleum County, Montana had?

8 tornadoes touched Petroleum County, Montana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.1 per year.

What was the strongest tornado in Petroleum County?

The strongest rating recorded was F2 on Aug 7, 1962, with a 2-mile path.

When is tornado season in Petroleum County?

Most of its tornadoes happened in July (5 of 8). 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).