PlainHazard

Wyoming severe thunderstorm wind

Every recorded severe thunderstorm wind event since 1955 · 23 counties with a record

NOAA's Storm Events Database records 2,840 severe thunderstorm wind events in Wyoming from 1955 through June 30, 2026, about 79 a year since 2000. The deadliest was the July 3, 2023 thunderstorm wind in Fremont County: 1 death across 3 records. Wyoming ranks 36th of 52 states and territories by count and 44th of 51 per square mile.

Severe thunderstorm wind in Wyoming, 1955 to 2026

Thunderstorm wind records per year (NOAA Storm Events); 2026 to June 30, 2026. NOAA recorded every event type only from 1996.

  • recorded, no damage figure
  • under $1 million
  • $1 million or more
  • $10 million or more
  • $100 million or more, or 10 deaths
  • $1 billion or more, or 100 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1996: all 48 event types recorded from 1996
Records
2,8401955 to June 30, 2026
A year since 2000
79average
Deaths
167 injuries
Damage, 2025 dollars
$11Mas filed
Busiest year
2020170 records

Source: NOAA NCEI Storm Events Database, records through June 30, 2026; deaths and damage as filed, damage in 2025 dollars. Search the record at NCEI.

Are severe thunderstorm wind events common in Wyoming?

Wyoming averages about 79 severe thunderstorm wind events a year since 2000, 36th of 52 states and territories by count. The busiest year on record was 2020 (170). Per 10,000 square miles of land, Wyoming records 293 severe thunderstorm wind events since 1955, 44th of 51 states and territories by that measure.

  1. 1. Maryland 8719
  2. 2. New Jersey 8233
  3. 3. Massachusetts 5865
  4. 4. Delaware 5691
  5. 5. South Carolina 5494
  6. 6. Ohio 5373
  7. 7. Pennsylvania 5299
  8. 8. Virginia 5237
  9. 9. Connecticut 5070
  10. 10. Kentucky 4969
  11. 44. Wyoming 293

Source: NOAA NCEI Storm Events Database, records since 1955, per 10,000 square miles of land area (Census Bureau 2024 Gazetteer; places under 1,000 square miles not ranked). Damage colours: Storm Events damage, 2025 dollars.

Which counties in Wyoming have the most severe thunderstorm wind events?

Per square mile, Laramie County leads Wyoming: 163 days with a severe thunderstorm wind event since 1955, 60.7 per 1,000 square miles of land. By raw count, Campbell County has the most thunderstorm wind records (414 since 1955); large counties collect more records simply by covering more ground, so the ranking counts days with a record per unit of area (a storm filed for several forecast zones adds several records but one day).

  1. Laramie County 60.7 (242)
  2. Crook County 56.4 (267)
  3. Campbell County 48.3 (414)
  4. Weston County 45.0 (170)
  5. Goshen County 35.5 (97)
  6. Sheridan County 33.3 (123)
  7. Platte County 33.1 (90)
  8. Washakie County 26.4 (63)
  9. Natrona County 22.5 (153)
  10. Big Horn County 22.3 (87)
  11. Uinta County 19.7 (84)
  12. Hot Springs County 16.5 (38)

Source: NOAA NCEI Storm Events Database, days with a record in the county since 1955 per 1,000 square miles of land (Census Bureau 2024 Gazetteer); in brackets, the count of records.

When is the severe thunderstorm season in Wyoming?

64% of its severe thunderstorm wind events since 1955 fell in June and July. The busiest month is July (918 records).

The values, month by month

Jan 0 · Feb 1 · Mar 8 · Apr 82 · May 256 · Jun 891 · Jul 918 · Aug 504 · Sep 155 · Oct 20 · Nov 2 · Dec 3 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began, since 1955.

What were the deadliest severe thunderstorm wind events in Wyoming?

Wyoming: the storms with the most deaths since 1955
DateRecordCharacterKilledInjuredDamage
2023-07-03 Thunderstorm WindHunt Field Lander, Fremont County One storm episode: 3 records; the totals are the episode's. A strong cold front and shortwave moved across Wyoming. Showers and thunderstorms mixed strong low level winds to the surface and brought numerous reports of wind gusts over 50 mph. The highest wind occurred in the Wind River Range where favored channeling brought wind gusts as high as 96 mph. In the lower elevations, ... 60 kt wind 1 0 –

Source: NOAA NCEI Storm Events Database: deaths direct and indirect, as filed by the National Weather Service, summed over each storm (one episode, or one named storm filed by several offices). Storm names from the titles of FEMA declarations that name the storm's counties.

The costliest severe thunderstorm wind events in Wyoming

Wyoming: the most damaging storms since 1993, 2025 dollars
DateRecordCharacterKilledInjuredDamage
2013-07-05 Thunderstorm WindDurkee, Washakie County One storm episode: 3 records in 3 places; the totals are the episode's. 52 kt wind 0 0 $1.3M
1993-05-05 Thunderstorm WindPlatte County 0 0 $1.0M
2026-06-25 Thunderstorm WindSpeer, Laramie County One storm episode: 13 records in 4 places; the totals are the episode's. 61 kt wind 0 0 $1.0M
1998-07-02 Thunderstorm WindBig Piney, Sublette County 0 0 $724K
2010-06-22 Thunderstorm WindMoorcroft, Crook County One storm episode: 7 records in 3 places; the totals are the episode's. 67 kt wind 0 0 $480K
2010-06-06 Thunderstorm WindTurnerville, Lincoln County 70 kt wind 0 0 $474K
1995-09-04 Thunderstorm WindRozet, Campbell County 0 0 $387K
2011-10-06 Thunderstorm WindNewcastle, Weston County One storm episode: 2 records; the totals are the episode's. 65 kt wind 0 0 $329K

Source: NOAA NCEI Storm Events Database: property and crop damage as estimated by the National Weather Service, in 2025 dollars.

Are severe thunderstorm wind events becoming more frequent in Wyoming?

Wyoming's count per decade against the whole country's, and its share. NOAA recorded every event type only from 1996, so earlier decades are not comparable; the share of the national total is the fairer comparison across decades.

Severe thunderstorm wind: Wyoming and the United States by decade (2020s to June 30, 2026)
DecadeWyomingUnited StatesWyoming's share
1955-5993,4820.26%
1960s4310,1240.42%
1970s10118,7140.54%
1980s23639,6040.60%
1990s25385,5540.30%
2000s446129,9900.34%
2010s873161,2860.54%
2020-26879126,8150.69%

Source: NOAA NCEI Storm Events Database.

The most recent severe thunderstorm wind events in Wyoming

The 12 most recent records, to June 30, 2026
DateRecordCharacterKilledInjuredDamage
2026-06-27 Thunderstorm WindShoshoni, Fremont County 60 kt wind 0 0 –
2026-06-27 Thunderstorm WindWorland, Washakie County 61 kt wind 0 0 –
2026-06-27 Thunderstorm WindBuffalo, Johnson County 77 kt wind 0 0 –
2026-06-27 Thunderstorm WindThermopolis, Hot Springs County 53 kt wind 0 0 –
2026-06-27 Thunderstorm WindMayoworth, Johnson County 50 kt wind 0 0 –
2026-06-27 Thunderstorm WindWapiti, Park County 50 kt wind 0 0 –
2026-06-27 Thunderstorm WindBig Trails, Washakie County 52 kt wind 0 0 –
2026-06-27 Thunderstorm WindLinch, Johnson County 50 kt wind 0 0 –
2026-06-27 Thunderstorm WindLander, Fremont County 63 kt wind 0 0 –
2026-06-27 Thunderstorm WindDaniel, Sublette County 67 kt wind 0 0 –
2026-06-27 Thunderstorm WindFossil Butte Nm, Lincoln County 58 kt wind 0 0 –
2026-06-27 Thunderstorm WindHunt Field Lander, Fremont County 57 kt wind 0 0 –

Source: NOAA NCEI Storm Events Database, records through June 30, 2026; the newest months are revised by NCEI as reports arrive. Search the record at NCEI.

Federal disaster declarations for severe thunderstorm wind events in Wyoming

FEMA files hail and wind disasters under the incident type Severe Storm: 3 declarations in Wyoming, 3 of them major disasters; the latest on March 21, 2017.

The 12 most recent
DeclaredNumberTitleAreas named
2017-03-21DR-4306Severe Winter Storm and Straight-Line Winds1
2011-07-22DR-4007Severe Storms, Flooding, and Landslides16
2000-12-13DR-1351Severe Winter Storm4

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), through October 2, 2026. OpenFEMA dataset page.

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