Enter any address in Carter County, Montana to see its FEMA flood zone
4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Carter County, Montana has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 6 river or area floods. The county has received 8 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 |
| Severe Storms, Straight-line Winds, And Flooding | Severe Storm | Aug 21, 2014 |
| Severe Storms And Flooding | Severe Storm | Apr 4, 2011 |
| Severe Winter Storm | Severe Storm | May 1, 2008 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Winter Storms | Severe Storm | Oct 31, 2000 |
| Wildfires | Fire | Jul 13, 2000 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Mar 25, 2019 | 0.00K |
| Flash Flood | Jul 21, 2019 | 0.00K |
| Flash Flood | Jul 5, 2019 | 0.00K |
| Flood | Mar 9, 2014 | 0.00K |
| Flood | May 20, 2011 | 320.00K |
| Flash Flood | Jun 20, 2010 | 0.00K |
| Flood | Apr 14, 2009 | 80.00K |
| Flash Flood | Jun 2, 2008 | 0.00K |
| Flood | Aug 3, 2004 | — |
| Flash Flood | Aug 20, 1998 | — |
Flood — Mar 25, 2019
Flooding occurred across many areas of south central and southeast Montana during the latter portions of the month. A considerable snow cover existed through the month. Surface and sub-surface ground temperatures remained frozen through the last week of March. Warming temperatures resulted in this snow to quickly melt. Widespread flooding occurred due to the snow melt not being able to soak in...
Flash Flood — Jul 21, 2019
A slow moving thunderstorm produced 3.70 inches of rain in a short period of time which resulted in some flash flooding.
Flash Flood — Jul 5, 2019
Very heavy thunderstorms moved across portions of southeast Montana during the afternoon and early evening hours of the 5th. Rainfall anywhere from 1 to 6 inches was reported across this area. In addition, large hail also occurred with a few of these thunderstorms. The rain and hail combined resulted in flash flooding across some areas. One location had a few basements flooded, but otherwise, b...
Flood — Mar 9, 2014
After a very cold winter resulting in area rivers, streams and creeks freezing, early March began with some heavy snow followed by a rapid warm-up. This warm-up resulted in snowmelt and ice-jam flooding over area rivers, creeks and streams that continued into the middle of the month. While many areas experienced flooding, the locations that were most impacted by flooding included Park County, a...
Flood — May 20, 2011
A Pacific low moved into the four corners region on the 17th and migrated northeast into the Dakotas through the 22nd, bringing another round of heavy precipitation aided by a tap of Gulf of Mexico moisture. Another system passed to the south on the 23rd and 24th, continuing the precipitation across the area. A new all-time daily precipitation record for Billings was set on May 24th. These two ...
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Carter 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 Carter 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.