Larimer County tornado history

33 tornadoes touched Larimer County, Colorado between 1950 and 2025 — about 0.4 a year. The strongest was rated EF3 (May 22, 2008). Tornadoes here killed 1 and injured 78 people.

33tornadoes since 1950

EF3strongest rating

1killed · 78 injured

38.7 milongest path · 2008

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

By rating

(E)F016

(E)F112

(E)F23

(E)F32

(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
May 22, 2008	EF3	38.7 mi	1,760 yd	78	1
Jun 4, 2015	EF3	6.7 mi	440 yd	0	0
Jun 9, 1990	F2	23 mi	200 yd	0	0
May 30, 1957	F2	9.1 mi	10 yd	0	0
Jun 4, 1976	F2	0.5 mi	300 yd	0	0
May 29, 1957	F1	6.1 mi	10 yd	0	0
Aug 7, 1954	F1	2 mi	10 yd	0	0
May 24, 1980	F1	1 mi	40 yd	0	0
Jun 25, 1982	F1	1 mi	100 yd	0	0
Jun 18, 1987	F1	1 mi	40 yd	0	0
Jun 15, 1988	F1	1 mi	50 yd	0	0
Jun 25, 1988	F1	1 mi	63 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
May 18, 2018	EF0	—	25 yd	0	0
Jun 4, 2015	EF3	6.7 mi	440 yd	0	0
May 22, 2008	EF3	38.7 mi	1,760 yd	78	1
Jul 25, 2005	F0	0.1 mi	50 yd	0	0
May 9, 2002	F0	0.1 mi	50 yd	0	0
May 6, 1995	F0	0.1 mi	50 yd	0	0
Jul 16, 1994	F0	0.1 mi	10 yd	0	0
Jul 16, 1994	F0	0.1 mi	10 yd	0	0
Jul 16, 1994	F0	0.1 mi	10 yd	0	0
Aug 5, 1993	F0	0.1 mi	10 yd	0	0
May 28, 1993	F0	0.1 mi	100 yd	0	0
Jun 22, 1991	F0	0.1 mi	10 yd	0	0

Deadliest: May 22, 2008, EF3, 1 killed.

Nearby counties

Boulder County, CO11 Jackson County, CO3 Grand County, CO1 Weld County, CO285 Laramie County, WY123 Clear Creek County, CO2 Denver County, CO20 Albany County, WY32

Questions

How many tornadoes has Larimer County, Colorado had?

33 tornadoes touched Larimer County, Colorado between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Larimer County?

The strongest rating recorded was EF3 on May 22, 2008, with a 38.7-mile path and 1 deaths.

When is tornado season in Larimer County?

Most of its tornadoes happened in June (11 of 33). 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).