Uinta County, Wyoming

County storm and disaster record · FIPS 56041 · population 20,412 · 2,082 sq mi

NOAA's Storm Events Database holds 162 records for Uinta County, Wyoming from 1950 through June 30, 2026, on 119 days; the most frequent are severe thunderstorm wind events (84 records). The deadliest single record is the February 18, 2026 winter weather, filed for the forecast zone Uinta, which covers the county: 2 deaths, 24 injuries and $4.5 million in damage in 2025 dollars. FEMA has issued 5 declarations naming the county since 1977, 3 of them for natural hazards; the latest for a natural hazard was “Tokawana Fire” on July 29, 2016.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
162on 119 days, 1950 to June 30, 2026
Deaths recorded
226 injuries
Damage, 2025 dollars
$6.0Mas filed (scale steps before 1993)
Tornadoes
4strongest F2
FEMA declarations
5latest 2020

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Uinta County most?

The most frequent records are severe thunderstorm wind events: 84 since 1989. 46% of its severe thunderstorm wind events since 1989 fell in June and July. The rank column places the county among Wyoming's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Uinta County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 84 41 1989-2026 0 0 $105K 11 of 23
Winter storms 35 35 1996-2026 2 24 $4.6M 22 of 23
High wind and dust storms 30 30 2008-2026 0 0 – 18 of 23
Tornadoes 4 4 1950-2002 0 0 $31K 18 of 23
Hail 3 3 2003-2020 0 0 – 22 of 23
Extreme cold 2 2 1996-1996 0 0 – 22 of 23
Wildfires 2 2 2016-2016 0 2 $1.2M 15 of 23
Floods 1 1 2010-2010 0 0 $14K 23 of 23
Landslides and avalanches 1 1 2025-2025 0 0 – 12 of 23

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Uinta County had?

NOAA records 4 tornadoes in Uinta County from 1950 to 2002, the strongest rated F2, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 3 tornadoes whose track touched Uinta County since 1950 (NOAA's county records number 4: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Wyoming.

Every tornado record filed for Uinta County (4)
Every tornado recorded in Uinta County, newest first
DatePlaceCharacterKilledInjuredDamage
2002-07-19 Ft Bridger, Uinta County F0 0.5 mi x 20 yd 0 0 –
1989-05-30 Uinta County F0 0.5 mi x 50 yd 0 0 $3K step
1962-05-24 Uinta County F0 0 0 $3K step
1950-05-10 Uinta County F2 2 mi x 33 yd 0 0 $30 step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Uinta County?

The most recent record with damage, injuries or deaths is the February 18, 2026 winter weather (2 deaths, 24 injuries and $4.5 million in damage in 2025 dollars).

Wyoming Highway Patrol in addition to other law enforcement and first responders reported that a multi-vehicle accident occurred on I-80 near Evanston at mile marker 18 at approximately 3:00 PM 2/18/26. The crashes are said to have happened more or less simultaneously, involving 32 vehicles (20 semi trucks, 12 passenger vehicles), which blocked and closed both the westbound and eastbound lanes. The interstate was closed from mile marker 6 to mile marker 34, lasting from roughly 3:28 PM until 4:00 AM the following morning. As a result of the collisions, 2 fatalities were confirmed, as were 22 injuries, 3 of which required helicopter transportation to Utah emergency facilities. Additionally, a tractor trailer carrying livestock suffered severe enough impact to kill 6 of the cattle inside. …
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1306271)
The 12 most recent records kept for Uinta County
DateRecordCharacterKilledInjuredDamage
2026-05-13 Thunderstorm WindVerne, Uinta County 54 kt wind 0 0 –
2026-05-13 Thunderstorm WindHampton, Uinta County 56 kt wind 0 0 –
2026-05-13 Thunderstorm WindRagen, Uinta County 50 kt wind 0 0 –
2026-05-13 Thunderstorm WindAlmy, Uinta County 74 kt wind 0 0 –
2026-05-13 Thunderstorm WindAlmy, Uinta County 69 kt wind 0 0 –
2026-05-13 Thunderstorm WindSpring Vly, Uinta County 61 kt wind 0 0 –
2026-05-13 Thunderstorm WindEvanston, Uinta County 60 kt wind 0 0 –
2026-05-13 Thunderstorm WindAlmy, Uinta County 61 kt wind 0 0 –
2026-05-13 Thunderstorm WindAlmy, Uinta County 51 kt wind 0 0 –
2026-05-13 Thunderstorm WindBurns Field Evans, Uinta County 56 kt wind 0 0 –
2026-04-22 High WindUinta County · forecast zone Uinta 51 kt wind 0 0 –
2026-04-11 Thunderstorm WindVerne, Uinta County 61 kt wind 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Uinta County, most deaths first
DateRecordCharacterKilledInjuredDamage
2026-02-18 Winter WeatherUinta County · forecast zone Uinta Wyoming Highway Patrol in addition to other law enforcement and first responders reported that a multi-vehicle accident occurred on I-80 near Evanston at mile marker 18 at approximately 3:00 PM 2/18/26. The crashes are said to have happened more or less simultaneously, involving 32 vehicles (20 semi trucks, 12 ... 2 24 $4.5M
2016-08-01 WildfireUinta County · forecast zone Uinta The Tokewanna Fire was discovered on the afternoon of July 28, about 15 miles south of Mountain View, Wyoming. The fire burned approximately 1,300 acres and destroyed 8 structures in the Tokewanna Estates Subdivision. The fire forced the evacuation of 140 homes and the Uinta County Youth Camp, and also closed portions ... 0 1 $615K
2016-07-28 WildfireUinta County · forecast zone Uinta The Tokewanna Fire was discovered on the afternoon of July 28, about 15 miles south of Mountain View, Wyoming. The fire burned approximately 1,300 acres and destroyed 8 structures in the Tokewanna Estates Subdivision. The fire forced the evacuation of 140 homes and the Uinta County Youth Camp, and also closed portions ... 0 1 $615K
The costliest records in Uinta County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2026-02-18 Winter WeatherUinta County · forecast zone Uinta 2 24 $4.5M
2016-07-28 WildfireUinta County · forecast zone Uinta 0 1 $615K
2016-08-01 WildfireUinta County · forecast zone Uinta 0 1 $615K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $3K, in the dollars of the day) holds: May 24, 1962 (tornado, Uinta County); May 30, 1989 (tornado, Uinta County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Uinta County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Uinta County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind0001331364
Winter storms––––761210
High wind and dust storms––––021414

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

46% of its severe thunderstorm wind events since 1989 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 13 · Feb 13 · Mar 6 · Apr 16 · May 22 · Jun 21 · Jul 26 · Aug 16 · Sep 8 · Oct 4 · Nov 5 · Dec 12 (records).

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

Federal disaster declarations for Uinta County

FEMA's register lists 5 declarations that include Uinta County: 2 major disasters, 2 emergencies and one fire management assistance declaration. Most were for biological (2) and fire (1).

Declarations including Uinta County, newest first
DeclaredNumberTypeTitle
2020-04-11DR-4535BiologicalCovid-19 Pandemic
2020-03-13EM-3479BiologicalCovid-19
2016-07-29FM-5139FireTokawana Fire
2011-07-22DR-4007Severe StormSevere Storms, Flooding, and Landslides
1977-06-15EM-3043DroughtDrought

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Uinta County had?

NOAA's Storm Events Database holds 1 flood or flash flood record for Uinta County from 2010 to 2010, on 1 day, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Uinta County ranks 2523rd of 2,942 U.S. counties.

The National Flood Insurance Program has paid $10,000 on 6 claims filed in Uinta County; the most in one year was 2 in 2003. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1983: 1 · 1993: 1 · 1998: 1 · 2003: 2 · 2019: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Uinta County

FEMA's National Risk Index rates Uinta County Very Low overall, with an expected annual loss of $7.9 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Uinta County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Winter WeatherRelatively High$371K21 a year (modeled)
LightningRelatively Moderate$547K40 a year (modeled)
WildfireRelatively Low$739Konce in about 692 years (modeled)
LandslideRelatively Low$19Kabout once a year (modeled)
EarthquakeRelatively Low$719Konce in about 155 years (modeled)
Strong WindRelatively Low$230Konce in about 3 years (modeled)
Riverine FloodingVery Low$4.9Monce in about 28 years (modeled)
Cold WaveVery Low$293Konce in about 2 years (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Uinta County

  1. Summit County, UT 985
  2. Sweetwater County 864
  3. Lincoln County 795
  4. Rich County, UT 476
  5. Uinta County 162

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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