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Montana · FEMA + NOAA + National Risk Index

Musselshell County, MT

2 FEMA disaster declarations (2020–2024), with a FEMA National Risk Index rating of Very Low. Most common hazard: Flood.

2
FEMA declarations
1
Major disasters
17
NRI risk · Very Low
Flood
Top hazard

The verdict

Musselshell County ranks safer than 17% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 22% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Very Low, based on 2 federal disaster declarations recorded since 2020, most often flood, 48% below the national county average of 4.

Safer than 17%
of U.S. counties for FEMA National Risk Index score
Very Low
FEMA National Risk Index rating
2
FEMA declarations vs 4 national county avg
1
flood declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does Musselshell County compare?

Musselshell County vs. every U.S. county

FEMA disaster declarations, all-time

2 22nd percentile higher than 22% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

Musselshell County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the Montana county average

0/100100/100Montana avg36/10017/100
FEMA National Risk Index composite score vs. the Montana county average

How disaster-prone is Musselshell County?

Declaration frequency

Musselshell County, Montana has recorded 2 FEMA disaster declarations between 2020 and 2024, of which 1 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.5 declarations per year across a 4-year record, or roughly 19% below the Montana county average of 2.5 and 48% below the national county average of 3.8. The dominant disaster type on record is Flood, with 1 of 2 declarations falling under this category.

FEMA National Risk Index

This county's FEMA National Risk Index composite lands at 17.0/100 (Very Low), a modest reading against the rest of the country. Expected Annual Loss is rated Very Low (roughly $4.9M in annualized losses), tempered or compounded by a Relatively High social-vulnerability score and Relatively Low community-resilience score. Among the 18 modeled hazards, Wildfire carries the county's highest rating, a mid-range Relatively Moderate.

Flood exposure & the bottom line

Taken together, Musselshell County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Montana Avg

-19%

State avg: 2.5

vs. National Avg

-48%

National avg: 3.8

Avg Per Year

0.5

Over 4 years

FEMA NRI 8-hazard radar - Musselshell County

Musselshell County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 8, Flood 0, Hurricane 0, Tornado 8, Wildfire 48, Drought 8, Heat Wave 8, Winter Storm 48. Overall composite 16 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 16 composite
Musselshell County NRI risk profile FIPS 30065 · composite 16/100 (Low)
How to read this radar

The radar plots Musselshell County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

2

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

30065

MT state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Flood 1
Fire 1

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 1 50.0%

of all 2 declarations

Fire Management - 1 50.0%

of all 2 declarations

FEMA Declarations Timeline

Year Declarations
2024 1
2020 1

Disaster Declarations

DR# Title Type Incident Date
4745 FLOODING DR Flood 2023-10-11
5344 BOBCAT FIRE FM Fire 2020-09-02

Storm Events in Montana

Storm Type Events Fatalities Injuries Property Damage
High Wind 4,597 2 3 $7.8M
Thunderstorm Wind 3,005 6 38 $15.4M
Hail 2,438 0 0 $5.7M
Winter Storm 1,763 21 29 $11.2M
Heavy Snow 1,055 6 3 $253.0K

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Very Low

Score: 17.0/100

Expected Annual Loss

Very Low

$4.9M/year

Social Vulnerability

Relatively High

Community Resilience

Relatively Low

Hazard Risk Breakdown

Wildfire Relatively Moderate
Lightning Relatively Moderate
Cold Wave Relatively Moderate
Landslide Relatively Low
Winter Weather Relatively Moderate
Hail Relatively Low
Drought Very Low
Earthquake Very Low
Heat Wave Very Low
Strong Wind Very Low
Tornado Very Low
Ice Storm Very Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Montana

Frequently Asked Questions

How many natural disasters has Musselshell County, Montana had?
Musselshell County, Montana has received 2 FEMA disaster declarations from 2020 to 2024. Of these, 1 were major disaster declarations.
What is the most common disaster type in Musselshell County?
The most common disaster type in Musselshell County is Flood, with 1 declaration. Other disaster types include Fire (1).
How does Musselshell County's disaster risk compare to the Montana average?
Musselshell County has 2 disaster declarations, which is 19% lower than the Montana county average of 2.5 declarations. Compared to the national county average of 3.8, it is 48% lower.
How many major FEMA disaster declarations has Musselshell County received?
Musselshell County has received 1 major disaster declaration, representing 50% of all 2 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Montana?
The most common storm types in Montana include High Wind (4,597 events), Thunderstorm Wind (3,005 events), Hail (2,438 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Musselshell County?
The most active year for disaster declarations in Musselshell County was 2020, with 1 declaration. The county has FEMA disaster data spanning 2020 to 2024.
What is the overall disaster risk level for Musselshell County?
Musselshell County's 2 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
What is the FEMA National Risk Index score for Musselshell County?
According to the FEMA National Risk Index, Musselshell County, Montana has an overall risk score of 17.0 out of 100 (Very Low). The county's social vulnerability rating is Relatively High and community resilience is Relatively Low. The Expected Annual Loss (EAL) score is Very Low, representing $4.9M in annualized losses.
Which natural hazard poses the greatest risk to Musselshell County?
Based on FEMA NRI data, the highest-risk natural hazard in Musselshell County is Wildfire (risk rating: Relatively Moderate). Other significant hazards include Lightning (Relatively Moderate) and Cold Wave (Relatively Moderate). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Musselshell County

Musselshell County, MT runs 19% below the Montana county average for federal disaster declarations (2 vs 2), a low historical load overall.

  • Its most common federal declaration type is major disaster (1 of 2) - know the hazards most likely here before they happen. Montana overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.