Wheatland County, Montana

County storm and disaster record · FIPS 30107 · population 2,067 · 1,422 sq mi

NOAA's Storm Events Database holds 720 records for Wheatland County, Montana from 1950 through June 30, 2026, on 481 days; the most frequent are high wind and dust records (344 records). 559 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. FEMA has issued 10 declarations naming the county since 1975, 8 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm and Straight-Line Winds” on April 7, 2026.

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
720on 481 days, 1950 to June 30, 2026
Deaths recorded
00 injuries
Damage, 2025 dollars
$64Kas filed (scale steps before 1993)
Tornadoes
7strongest EF0
FEMA declarations
10latest 2026

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 Wheatland County most?

The most frequent records are high wind and dust records: 344 since 1996. 43% of its high wind and dust records since 1996 fell in December and January. The rank column places the county among Montana's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Wheatland County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
High wind and dust storms 344 253 1996-2026 0 0 $54K 4 of 56
Winter storms 204 128 1996-2026 0 0 – 20 of 56
Hail 107 63 1956-2025 0 0 $10K 20 of 56
Severe thunderstorm wind 31 26 1981-2026 0 0 – 40 of 56
Floods 14 14 1997-2018 0 0 – 18 of 56
Tornadoes 7 7 1978-2019 0 0 – 10 of 56
Fog, smoke and funnel clouds 5 5 1997-2005 0 0 – 13 of 56
Drought 3 1 2021-2021 0 0 – 15 of 56
Heavy rain 2 2 1998-2005 0 0 – 41 of 56
Landslides and avalanches 2 2 2000-2025 0 0 – 17 of 56
Extreme cold 1 1 1998-1998 0 0 – 48 of 56

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 Wheatland County had?

NOAA records 7 tornadoes in Wheatland County from 1978 to 2019, the strongest rated EF0, with 0 deaths and 0 injuries recorded in the county. That is 10th of 56 Montana counties by days with tornadoes per 1,000 square miles since 1950. 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 7 tornadoes whose track touched Wheatland County since 1950 (NOAA's county records number 7, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Montana.

Every tornado record filed for Wheatland County (7)
Every tornado recorded in Wheatland County, newest first
DatePlaceCharacterKilledInjuredDamage
2019-06-27 Judith Gap, Wheatland County EF0 0.39 mi x 50 yd 0 0 –
2010-09-09 Harlowton Baxter Arp, Wheatland County EF0 0.25 mi x 10 yd 0 0 –
1999-08-14 Harlowton, Wheatland County F0 5 mi x 5 yd 0 0 –
1997-06-05 Judith Gap, Wheatland County F0 0 0 –
1989-06-15 Wheatland County F0 0.2 mi x 10 yd 0 0 –
1978-08-22 Wheatland County 0 0 –
1978-06-24 Wheatland County 0 0 –

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.

Is it getting more frequent?

Records per decade for Wheatland 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).

Wheatland County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
High wind and dust storms––––2671115132
Winter storms––––15635868
Hail200120521616
Severe thunderstorm wind000134914
Floods––––6170

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

What time of year?

43% of its high wind and dust records since 1996 fell in December and January. The two busiest months are in violet.

The values, month by month

Jan 103 · Feb 97 · Mar 71 · Apr 51 · May 33 · Jun 72 · Jul 61 · Aug 22 · Sep 6 · Oct 42 · Nov 62 · Dec 100 (records).

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

Federal disaster declarations for Wheatland County

FEMA's register lists 10 declarations that include Wheatland County: 8 major disasters, 2 emergencies and 0 fire management assistance declarations. Most were for severe storm (3) and biological (2).

Declarations including Wheatland County, newest first
DeclaredNumberTypeTitle
2026-04-07DR-4902Straight-Line WindsSevere Winter Storm and Straight-Line Winds
2024-07-18DR-4801Severe StormSevere Winter Storm and Flooding
2020-03-31DR-4508BiologicalCovid-19 Pandemic
2020-03-13EM-3476BiologicalCovid-19
2014-04-17DR-4172FloodIce Jams and Flooding
2011-06-17DR-1996Severe StormSevere Storms and Flooding
2005-09-13EM-3253HurricaneHurricane Katrina Evacuation
2000-08-30DR-1340FireWildfires
1997-07-25DR-1183Severe StormSevere Storms,Ice Jams, Snow Melt, Flooding
1975-06-28DR-472FloodRains, Showmelt, Storms & Flooding

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 Wheatland County had?

NOAA's Storm Events Database holds 14 flood or flash flood records for Wheatland County from 1997 to 2018, on 14 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Wheatland County ranks 2105th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $38,000 on 19 claims filed in Wheatland County; the most in one year was 11 in 1979. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1979: 11 · 1997: 4 · 2011: 1 · 2015: 1 · 2018: 1 · 2024: 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 Wheatland County

FEMA's National Risk Index rates Wheatland County Very Low overall, with an expected annual loss of $2.1 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 Wheatland County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
LightningRelatively Low$155K35 a year (modeled)
Cold WaveRelatively Low$485K4.1 a year (modeled)
Winter WeatherRelatively Low$23K20 a year (modeled)
WildfireVery Low$41Konce in about 2,523 years (modeled)
DroughtVery Low$9K73 modeled event-days a year
EarthquakeVery Low$34Konce in about 893 years (modeled)
HailVery Low$69K1.7 a year (modeled)
LandslideVery Low$106once 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 Wheatland County

  1. Sweet Grass County 1,045
  2. Fergus County 1,027
  3. Wheatland County 720
  4. Judith Basin County 684
  5. Meagher County 392
  6. Golden Valley County 386

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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