Enter any address in Fremont County, Idaho to see its FEMA flood zone
Flood events, including flash floods, are the primary flood hazard in Fremont County. Over the past 30 years, NOAA data shows 14 flood events and 7 flash flood events. For example, in June 2022, one to two inches of rain over 48 hours caused extensive flooding in areas like Yale Creek estates and Pine Crest, washing out roads and damaging others. In August 2022, extremely heavy rain, with reports of one to three inches, led to widespread flash flooding across southeastern Idaho, impacting Fremont County.
While many properties may be at risk, homeowners in low-lying areas or those near creeks and rivers should pay particular attention. National Flood Insurance Program data for Fremont County indicates that Zone X, which generally represents areas with moderate to minimal flood risk, has seen claims with an average water depth of -1.0 feet and an average payout of $12,876.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Fremont County, Idaho has recorded 21 flood-related events since 1996 according to NOAA's Storm Events Database, including 7 flash floods and 14 river or area floods. The county has received 5 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 (1976–2020)
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 |
| Dam Collapse, Flooding | Flood | Jun 6, 1976 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 15, 2025 | 0.00K |
| Flood | Jun 13, 2022 | 10.00K |
| Flash Flood | Aug 13, 2022 | 15.00K |
| Flash Flood | Jun 17, 2018 | 0.00K |
| Flood | Mar 14, 2018 | 55.00K |
| Flood | Feb 5, 2017 | 131.00K |
| Flood | Mar 10, 2012 | 55.00K |
| Flash Flood | Jul 8, 2011 | 0.00K |
| Flash Flood | Jun 7, 2011 | 3.00K |
| Flood | Jun 7, 2011 | 4.00K |
Flash Flood — Jul 15, 2025
Widespread thunderstorm damage and severe wind speeds occurred on the 15th.
Flood — Jun 13, 2022
One to 2 inches of rain fell in Fremont County over a 48 hour period and caused extensive flooding. A lot of flooding in the Rea area in the Yale Creek estates and Shotgun Complex areas north of Kilgore Yale Road. Flooding reported at Island Park Village Golf Course. Rushing water flooded private roads/driveways i Pine Crest area. Red Rock Pass Road and Forest Service Road 58 washed out n...
Flash Flood — Aug 13, 2022
Extremely heavy rain fell with several reports of 1 to 3 inches falling. Flash flooding was widespread across southeasy Idaho.
Flash Flood — Jun 17, 2018
Flooding with heavy rain and large hail was reported in Fremont, Madison, and Bear Lake Counties.
Flood — Mar 14, 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...
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 Fremont 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 Fremont 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.