Enter any address in Franklin County, Idaho 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.
Franklin County, Idaho has recorded 7 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 3 river or area floods. The county has received 4 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 (2005–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms And Flooding | Flood | Feb 5, 2017 |
| Hurricane Katrina | Hurricane | Aug 29, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 1, 2023 | 0.00K |
| Flash Flood | Jul 26, 2017 | 0.00K |
| Flood | Jan 9, 2017 | 0.00K |
| Flash Flood | Aug 9, 2017 | 25.00K |
| Flood | Feb 5, 2017 | 1.72M |
| Flood | Mar 1, 2017 | 77.00K |
| Flash Flood | Jun 1, 2009 | 0.00K |
Flash Flood — Jun 1, 2023
Large hail and flash flooding occurred in the southern mountains.
Flash Flood — Jul 26, 2017
Several instances of flash flooding, strong winds and hail were reported.
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...
Flash Flood — Aug 9, 2017
Heavy rains caused flash flooding in Fairview in Franklin County. Several residents of Fairview reported flooding in their homes with 128 homes also without power for 3 to 4 hours. Power was restored at 7:30 pm MDT.
Flood — Feb 5, 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.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Franklin 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 Franklin 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.