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FEMA National Risk Index v1.20 · OpenFEMA · NOAA SPC · data checked 2 Nov 2026

Wheatland County, Montana: Natural Disaster Risk and History

Wheatland County, Montana has a Very Low natural-hazard risk rating in FEMA's National Risk Index (v1.20, December 2025): a score of 3.5 out of 100, higher than about 3% of US counties, with wildfires, lightning and cold waves scoring highest of its 18 hazards and $2.1 million a year in expected losses.

OpenFEMA lists 8 federal disaster declarations that included Wheatland County since 1975, not counting 2 for COVID-19; the latest is DR-4902-MT (Severe Winter Storm and Straight-Line Winds, declared 7 April 2026). NOAA's Storm Prediction Center recorded 7 tornadoes touching Wheatland County from 1950 to 2025.

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Population 2,067 Buildings worth $1.1 billion Area 1,442 sq mi Risk rank in Montana 49 of 56 FIPS 30107

All 18 hazards, highest risk first

FEMA National Risk Index
HazardRisk ratingScoreExpected loss a yearHow oftenEvents in record
WildfireVery Low 51.0 $41,196 rarer than once in 1,000 years —
LightningRelatively Low 44.2 $155,305 about 35 a year 23,877 strikes
Cold waveRelatively Low 37.5 $485,015 about 4.1 a year 78
Winter weatherRelatively Low 29.2 $23,391 about 2 a year 381
DroughtVery Low 24.7 $9,451 about 73 a year 1,841
EarthquakeVery Low 24.3 $34,028 about once every 893 years —
HailVery Low 23.3 $69,253 about 1.7 a year 63
LandslideVery Low 21.1 $106 about once every 2.2 years —
AvalancheVery Low 15.8 $16 about once every 100 years 0
Inland floodingVery Low 12.2 $1.3 million about once every 3.1 years 9
Heat waveVery Low 6.9 $8,250 about once a year 9.8
TornadoVery Low 5.8 $20,343 about once every 9.2 years 6
Ice stormVery Low 3.3 $1,093 about once every 67 years 0
Strong windVery Low 2.9 $11,787 about once every 1.5 years 26
Coastal floodingNot Applicable — — — —
HurricaneNot Applicable — — — —
TsunamiNot Applicable — — — —
Volcanic activityNot Applicable — — — —

Score: FEMA's percentile among US counties that face the hazard (higher = more risk). Expected loss: FEMA's modelled average yearly loss to buildings, people (as a statistical value) and crops. How often: FEMA's annualised frequency of the hazard in the county; for some hazards it counts event-days, so it is a rough guide, not a forecast. "Not Applicable" means FEMA does not model that hazard here.

Federal disaster declarations 8

Most common: Severe Storm 3, Flood 2, Straight-Line Winds 1, Hurricane 1.

DecadeDeclarationsIncident types
1970s1Flood
1990s1Severe Storm
2000s2Hurricane, Fire
2010s2Flood, Severe Storm
2020s2Straight-Line Winds, Severe Storm

The last 8

Severe Winter Storm and Straight-Line Winds DR-4902-MT · Straight-Line Winds · declared 7 Apr 2026
Severe Winter Storm and Flooding DR-4801-MT · Severe Storm · declared 18 Jul 2024
Ice Jams and Flooding DR-4172-MT · Flood · declared 17 Apr 2014
Severe Storms and Flooding DR-1996-MT · Severe Storm · declared 17 Jun 2011 · households could apply
Hurricane Katrina Evacuation EM-3253-MT · Hurricane · declared 13 Sep 2005
Wildfires DR-1340-MT · Fire · declared 30 Aug 2000 · households could apply
Severe Storms,ice Jams, Snow Melt, Flooding DR-1183-MT · Severe Storm · declared 25 Jul 1997
Rains, Showmelt, Storms & Flooding DR-472-MT · Flood · declared 28 Jun 1975 · households could apply

Widest declarations that included Wheatland County

  • Hurricane Katrina Evacuation (2005, EM-3253-MT): 56 Montana counties designated.
  • Severe Storms and Flooding (2011, DR-1996-MT): 49 Montana counties designated.
  • Wildfires (2000, DR-1340-MT): 48 Montana counties designated.

Named storms in its declarations: Hurricane Katrina (2005).

Not counted above: 2 COVID-19 ("Biological") declarations — in 2020 every US county was included. Montana also had 18 statewide declarations with no county list.

Tornado record since 1950 7

Tornadoes touching the county7
Strongest-rated(E)F0 ×7
Peak monthJune (4)
Deadliest—
Longest path14 Aug 1999, F0, 5 mi path
Most recent27 Jun 2019, EF0, 0.4 mi path
Deaths / injuries on those paths0 / 0
Rating(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated
Count7000000
Decade1950s1960s1970s1980s1990s2000s2010s2020s
Count00212020

Deaths and injuries are for each tornado's whole path, which can run beyond this county. F-scale ratings before February 2007, Enhanced Fujita (EF) after.

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How Wheatland County compares with its 5 nearest counties

CountyDistanceOverall riskScoreTop hazard
Wheatland County (this page)—Very Low3.5 Wildfire
Golden Valley County 52 kmVery Low1.0 Wildfire
Judith Basin County 72 kmVery Low5.5 Wildfire
Sweet Grass County 73 kmVery Low8.1 Wildfire
Meagher County 81 kmVery Low2.8 Landslide
Stillwater County 95 kmVery Low16.8 Wildfire

Nearest by distance between county centres. Every county in Montana, ranked.

Vulnerability and resilience

Social vulnerabilityRelatively High 62.2
Community resilienceVery Low 10.1
Community risk factor1.28
Expected annual loss, all hazards$2.1 million

FEMA scales expected losses up where social vulnerability is high (people who may find it harder to prepare, evacuate or recover) and down where community resilience is high. A factor above 1 raises the risk score. For social vulnerability a high rating is worse; for resilience a high rating is better.

Prepare for Wheatland County's main hazards

What this page shows, and what it misses

FEMA's National Risk Index rates a whole county against every other US county; it is a planning-level estimate for nationwide comparison, not a flood-zone map and not a substitute for a local risk assessment or the risk to one home. Declarations are presidential disaster, emergency and fire management declarations that named this county; state declarations and SBA or USDA designations are not included. Tornadoes are counted when the county is one of up to four listed on the track; 670 tornadoes that crossed a state line carry no county list in NOAA's file and are left out.

Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties - v1.20.0 (December 2025). Retrieved from https://services.arcgis.com/XG15cJAlne2vxtgt/ArcGIS/rest/services/National_Risk_Index_Counties/FeatureServer/0/query on November 2, 2026, 1:20 PM EST. This product uses the Federal Emergency Management Agency’s National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Federal Emergency Management Agency (FEMA), OpenFEMA Dataset: Disaster Declarations Summaries - v2, retrieved from https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries on November 2, 2026, 1:21 PM EST. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Tornado records: NOAA/NWS Storm Prediction Center, Severe Weather Database, tornadoes 1950–2025 (https://www.spc.noaa.gov/wcm/data/1950-2025_actual_tornadoes.csv, downloaded 2 November 2026). Public domain; not endorsed by NOAA. Compiled by Global Incident Tracker.

Questions about Wheatland County

What natural disasters is Wheatland County, Montana most at risk from?

Wheatland County, Montana has a Very Low natural-hazard risk rating in FEMA's National Risk Index (v1.20, December 2025): a score of 3.5 out of 100, higher than about 3% of US counties, with wildfires, lightning and cold waves scoring highest of its 18 hazards and $2.1 million a year in expected losses.

How many federal disaster declarations has Wheatland County had?

OpenFEMA lists 8 federal disaster declarations that included Wheatland County since 1975, not counting 2 for COVID-19; the latest is DR-4902-MT (Severe Winter Storm and Straight-Line Winds, declared 7 April 2026). Another 18 Montana declarations were made statewide without a county list.

How many tornadoes have hit Wheatland County?

NOAA's Storm Prediction Center recorded 7 tornadoes touching Wheatland County from 1950 to 2025.

Is the National Risk Index a flood zone map?

No. The National Risk Index is a planning-level estimate for a whole county, built for nationwide comparison. It does not tell you the flood zone or the risk of a single property: for that, look up the address on FEMA's Flood Map Service Center (msc.fema.gov) and ask your local floodplain manager.