Enter any address in Beaverhead County, Montana to see its FEMA flood zone
3 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Beaverhead County, Montana has recorded 8 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 4 river or area floods. The county has received 5 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (2000–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Mt - Central Zone 3c Fire Complex | Fire | Aug 8, 2000 |
| Wildfires | Fire | Jul 13, 2000 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jan 16, 2024 | 100.00K |
| Flood | Apr 10, 2023 | 100.00K |
| Flash Flood | Jul 17, 2013 | 0.00K |
| Flood | Jan 4, 2011 | 0.00K |
| Flash Flood | Jul 22, 2008 | 0.00K |
| Flash Flood | Jul 9, 2005 | — |
Flood — Jan 16, 2024
A series of weather systems brought impactful winter weather to the area with light snow developing across north central Montana, becoming more widespread across the region. Dangerously cold wind chills persisted along the Hi-Line. Warming temperatures elsewhere led to ice jamming, resulting in flooding concerns across portions of the Treasure State. ||** Isolated 9 inch snowfall report 6 WSW F...
Flood — Apr 10, 2023
Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area waterways. Moderate to major flooding occurred along portions of the Milk River and its tributaries. Impactful snowmelt floodi...
Flash Flood — Jul 17, 2013
Convective activity developed early in the afternoon with thunderstorms rapidly developing over West and Southwest Montana in response to an upper trough moving across Northwest Montana into southern Alberta. Though jet streak energy supported the system, convective parameters were not overly impressive. Additionally, precipitable water values were very high across the CWA translating to heavy ...
Flood — Jan 4, 2011
An ice jam formed on the Beaverhead River in Twin Bridges causing localized flooding in portions of the town.
Flash Flood — Jul 22, 2008
A very unstable airmass allowed severe thunderstorms to develop over portions of Southwest Montana. Hail the size of golf balls and wind gusts in excess of 60 mph were reported in Beaverhead...Gallatin and Madison counties. Heavy rain also caused flash flooding in Beaverhead County.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Beaverhead County, Montana:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Beaverhead County, Montana that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.