Sweetwater County tornado history

26 tornadoes touched Sweetwater County, Wyoming between 1950 and 2025 — about 0.3 a year. The strongest was rated F1 (Jul 31, 1978).

26tornadoes since 1950
F1strongest rating
0killed · 0 injured
11.4 milongest path · 2017
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F020
(E)F15
(E)F20
(E)F30
(E)F40
(E)F50
unrated1

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Jul 31, 1978F11 mi100 yd00
Apr 14, 2000F10.5 mi50 yd00
Apr 20, 2001F10.2 mi10 yd00
Sep 9, 1973F10.1 mi10 yd00
Jun 27, 1974F10.1 mi10 yd00
May 26, 2017EF011.4 mi30 yd00
May 28, 2018EF03.5 mi25 yd00
Aug 14, 1979F01 mi200 yd00
Jul 1, 2025EF00.8 mi25 yd00
May 30, 1989F00.5 mi50 yd00
May 30, 1989F00.5 mi100 yd00
May 25, 1995F00.5 mi50 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jul 1, 2025EF00.8 mi25 yd00
Jun 23, 2023unrated0.1 mi30 yd00
May 28, 2018EF03.5 mi25 yd00
May 26, 2017EF011.4 mi30 yd00
Jul 7, 2015EF00.1 mi10 yd00
May 7, 2014EF00.5 mi30 yd00
Sep 15, 2013EF00.1 mi30 yd00
Jun 24, 2003F0——00
Apr 20, 2001F10.2 mi10 yd00
Apr 14, 2000F10.5 mi50 yd00
Jun 10, 1997F00.1 mi30 yd00
May 25, 1995F00.5 mi50 yd00

Nearby counties

Daggett County, UT2Moffat County, CO7Uinta County, WY3Sublette County, WY7Fremont County, WY22Carbon County, WY17Lincoln County, WY6Uintah County, UT8

Questions

How many tornadoes has Sweetwater County, Wyoming had?

26 tornadoes touched Sweetwater County, Wyoming between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Sweetwater County?

The strongest rating recorded was F1 on Jul 31, 1978, with a 1-mile path.

When is tornado season in Sweetwater County?

Most of its tornadoes happened in May (7 of 26). 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).