Enter any address in Broadwater County, Montana to see its FEMA flood zone
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Broadwater County, Montana has recorded 5 flood-related events since 1996 according to NOAA's Storm Events Database, including 2 flash floods and 3 river or area floods. The county has received 11 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1975–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Horse Gulch Fire | Fire | Jul 9, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Ice Jams And Flooding | Flood | Mar 1, 2014 |
| Severe Storms And Flooding | Severe Storm | Apr 4, 2011 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Mt - Central Zone 3b Fire Complex | Fire | Jul 24, 2000 |
| Wildfires | Fire | Jul 13, 2000 |
| Severe Storms,ice Jams, Snow Melt, Flooding | Severe Storm | Mar 1, 1997 |
| Severe Storms & Flooding | Flood | May 27, 1981 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 10, 2023 | 100.00K |
| Flood | Jun 20, 2018 | 0.00K |
| Flood | Mar 10, 2018 | 0.00K |
| Flash Flood | Jun 12, 2013 | 0.00K |
| Flood | Jun 7, 2011 | 0.00K |
Flash Flood — Jun 10, 2023
Several rounds of rain and thunderstorms affected much of Montana during the first half of June. Flash flooding occurred across portions of the region, especially across Fergus County as well as the Rocky Mountains. Fergus County was hit exceptionally hard as several days of occasional heavy rain exasperated area creeks and streams. Casino Creek, located south of Lewistown, was washed out in at...
Flood — Jun 20, 2018
A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana. The highest rain totals were concentrated along the Rocky Mountain Front, where up to about 8-inches of storm-total rainfall were recorded and resulted from ...
Flood — Mar 10, 2018
Moderating temperatures led to snowmelt flooding in many valleys of Broadwater County toward the middle of March.
Flash Flood — Jun 12, 2013
A broad area of moisture and an embedded shortwave trof moved northeastward through Central Idaho bringing widespread strong thunderstorms, as well as scattered severe storms, to Central Montana. The only area that escaped the strong storms was the Northern and Southern Rocky Mountain Fronts as the best severe weather parameters lined up over southwest and central Montana counties. Storm activi...
Flood — Jun 7, 2011
Rain and snowmelt. Presidential Disaster Declaration for Montana made on 6/17/11.
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 Broadwater 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 Broadwater 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.