Chisago County tornado history

20 tornadoes touched Chisago County, Minnesota between 1950 and 2025 — about 0.3 a year. The strongest was rated F4 (May 21, 1957).

20tornadoes since 1950
F4strongest rating
0killed · 4 injured
12.6 milongest path · 2017
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F014
(E)F14
(E)F21
(E)F30
(E)F41
(E)F50

By month

JFMAMJJASOND

Peak month: July.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
May 21, 1957F49.2 mi100 yd20
Jun 17, 2010EF27.8 mi400 yd20
Jul 28, 2019EF18.2 mi440 yd00
Jul 21, 1995F16 mi300 yd00
Jun 17, 1954F13.8 mi880 yd00
May 18, 1962F12 mi150 yd00
Jul 12, 2017EF012.6 mi440 yd00
May 30, 1994F01.5 mi90 yd00
Jul 18, 2020EF01.3 mi75 yd00
Aug 19, 2009EF00.9 mi200 yd00
Jul 12, 2017EF00.6 mi200 yd00
Jul 9, 1999F00.5 mi—00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jul 18, 2020EF01.3 mi75 yd00
Jul 28, 2019EF18.2 mi440 yd00
Jul 12, 2017EF012.6 mi440 yd00
Jul 12, 2017EF00.6 mi200 yd00
Jun 21, 2013EF00.5 mi50 yd00
Jun 17, 2010EF27.8 mi400 yd20
Aug 19, 2009EF00.9 mi200 yd00
Jun 11, 2005F00.1 mi20 yd00
May 30, 2004F00.3 mi25 yd00
Jun 24, 2003F00.3 mi25 yd00
Jul 9, 1999F00.5 mi—00
Jul 9, 1999F00.5 mi—00

Nearby counties

Isanti County, MN14Polk County, WI35Anoka County, MN28Washington County, MN27Ramsey County, MN10Burnett County, WI16Kanabec County, MN10St. Croix County, WI34

Questions

How many tornadoes has Chisago County, Minnesota had?

20 tornadoes touched Chisago County, Minnesota between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Chisago County?

The strongest rating recorded was F4 on May 21, 1957, with a 9.2-mile path.

When is tornado season in Chisago County?

Most of its tornadoes happened in July (10 of 20). 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).