Enter any address in Butte County, Idaho 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.
Butte County, Idaho has recorded 11 flood-related events since 1996 according to NOAA's Storm Events Database, including 3 flash floods and 8 river or area floods. The county has received 6 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Katrina | Hurricane | Aug 29, 2005 |
| Severe Storms, Snowmelt, Land/mud Slides, Flooding | Severe Storm | Mar 14, 1997 |
| Earthquake | Earthquake | Oct 28, 1983 |
| Heavy Rains & Flooding | Flood | Dec 31, 1964 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jan 14, 2019 | 0.00K |
| Flood | Jan 9, 2019 | 0.00K |
| Flood | Mar 13, 2018 | 75.00K |
| Flood | Jan 9, 2017 | 0.00K |
| Flood | Feb 4, 2017 | 265.00K |
| Flood | May 1, 2017 | 45.00K |
| Flood | Mar 1, 2017 | 135.00K |
| Flood | Jun 1, 2017 | 10.00K |
| Flash Flood | Aug 21, 2014 | 1.00K |
| Flash Flood | Aug 1, 2011 | 2.00K |
Flood — Jan 14, 2019
Flooding returned south of Moore due to ice jamming of the Big Lost River on the 14th. Only farm land was flooded.
Flood — Jan 9, 2019
Some property and farmland flooding occurred south of Moore in Butte County on January 9th along the Big Lost River. A land owner rescued his cattle from the flooding with none lost due to the flood. Hay storage was also safely relocated.
Flood — Mar 13, 2018
A return to heavy mountain snows in late February and early March added significantly to the snow pack especially in the Upper Snake River Highlands and snow melt and heavy rains occurred sporadically from the middle of the month onward. The worst of the flooding occurred in Clark and Madison which were both declared state disaster areas by the end of the month. Low elevations in the centra...
Flood — Jan 9, 2017
A long dawn out atmospheric river event brought a variety of impacts to southeast Idaho including extremely heavy mountain snow, valley snow then rain on snow leading to flooding and roads covered with ice in the Snake River Plain, and many mountain avalanches. Many roads were closed for extended periods due to the heavy snow and avalanches. Custer County was declared a disaster area due to...
Flood — Feb 4, 2017
A trend toward above normal temperatures in February after extreme snowfall amounts in both December and January led to extensive flooding issues during the entirety of the month. The brunt of the flooding occurred in Cassia, Minidoka, Jefferson, Lincoln and Bingham Counties but all counties did receive at least minor flooding. The floding began February 4th and continued to affect low lying...
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Butte County, Idaho:
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 Butte County, Idaho 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.