McClain County, OK

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 41,569 · Cities: Newcastle

Relatively Low Riskier than 63% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

McClain County has experienced 44 federally declared disasters since 1971, most recently Dibble Creek Fire in 2026. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

McClain County's highest-rated hazards are ice storm, tornado, and hail, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 186% over the past five years compared to the prior five-year period. Community vulnerability is relatively low (30th percentile nationally), indicating stronger recovery capacity than most US counties.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. McClain County has been designated in 44 declarations since 1971, covering 7 disaster types including severe storm (17), severe ice storm (10), fire (6).

2002–2026
Year Type Event name
2026 Fire Dibble Creek Fire
2024 Tornado Severe Storms, Straight-Line Winds, Tornadoes, And Flooding
2023 Tornado Severe Storms, Straight-Line Winds, And Tornadoes
2021 Severe Ice Storm Severe Winter Storms
2021 Severe Ice Storm Severe Winter Storm
2021 Severe Ice Storm Severe Winter Storm
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2015 Severe Storm Severe Storms, Tornadoes, Straight-Line Winds, And Flooding
2013 Tornado Severe Storms, Tornadoes, And Flooding

Showing the 10 most recent of 44 total declarations since 1971.

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Relatively Low 87.2 0 0
Inland Flooding Relatively Low 53.3 10 0
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 55.1 8
Heat Wave Relatively Moderate 81 82 0
Tornado Relatively Moderate 89.1 28 1 $10.3M
Hurricane Very Low 22.4 0 0
Hail Relatively Moderate 88.4 109 0
Strong Wind Relatively Low 18.5 0 0
Winter Weather Relatively Moderate 70.1 0 0
Ice Storm Relatively High 89.5
Cold Wave Relatively Moderate 74.7
Lightning Very Low 23 1 0 $400K
Drought Relatively Moderate 75.9 0 0
Landslide Very Low 51.3 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

McClain County ranks in the 30th percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 30th Low
Socioeconomic status 31st Low
Household characteristics 55th Moderate
Racial & ethnic minority status 57th Moderate
Housing type & transportation 16th Very low

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 87th Very High
Risk to homes 86th Very High
Buildings in direct exposure zone 78.5%

NOAA tracked 228 weather events in this county over 2016–2025: 59 in 2016–20 vs 169 in 2021–25 (+186% — frequency increasing).

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare McClain County with other counties → All Oklahoma counties →

Frequently asked questions

What natural hazards pose the greatest risk in McClain County?

According to the FEMA National Risk Index, the highest-risk hazards in McClain County, Oklahoma are ice storm, tornado, and hail. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Has McClain County received federal disaster declarations?

Yes. McClain County has received 44 federal disaster declarations since 1971, including declarations in 2026. The most common disaster type on record is severe storm (17 declarations).

Has McClain County had any FEMA disaster declarations in 2024, 2025, or 2026?

Yes. Recent federal disaster declarations for McClain County include Dibble Creek Fire (2026), Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2024). See the declarations table above for the full history since 1971.

How does McClain County's natural hazard risk compare to nearby counties?

Among neighboring counties, Oklahoma County, OK has the highest overall natural hazard risk (Relatively High) and Murray County, OK has the lowest (Very Low). McClain County is rated Relatively Low overall.

How is McClain County's composite disaster risk index calculated?

McClain County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. McClain County's composite score of 63 means its overall natural hazard risk is higher than 63% of US counties.

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