FloodZoneMap.org

Valley County, Idaho Flood Zones

Check an Address in Valley County

Enter any address in Valley County, Idaho to see its FEMA flood zone

Read First-Hand Flood Stories from Valley County

2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Idaho flood stories →

Flood Risk Data for Valley County

Valley County, Idaho has recorded 14 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 8 river or area floods. The county has received 12 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Valley County Disaster History

FEMA Disaster Declarations (1996–2022)

Disaster Declarations
12
Flood/Coastal Disasters
2
Latest Disaster
Four Corners Fire (2022-08-18)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Valley County

DeclarationTypeDate
Four Corners FireFireAug 18, 2022
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Flooding, Landslides, And MudslidesFloodApr 7, 2019
Severe Storms, Flooding, Landslides, And MudslidesFloodMar 6, 2017
Hurd FireFireAug 26, 2010
Severe Storms And FloodingSevere StormJun 2, 2010
Cascade Fire ComplexFireAug 30, 2007
East Zone Fire ComplexFireAug 30, 2007
Hurricane KatrinaHurricaneAug 29, 2005

Recorded Flood Events in Valley County

NOAA Storm Events Database (1996–2025)

Total Flood Events
14
River/Area Floods
8
Flash Floods
6
Total Property Damage
$430,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Valley County

TypeDateDamage
FloodApr 7, 2019420.00K
FloodMar 6, 20140.00K
FloodMar 16, 20120.00K
Flash FloodJun 4, 201010.00K
FloodJun 4, 20100.00K
Flash FloodJul 22, 20080.00K
Flash FloodSep 23, 20070.00K
Flash FloodAug 22, 2003
Flash FloodJul 19, 2002
FloodApr 14, 2002

Valley County Flood History

Flood — Apr 7, 2019

An Atmospheric River brought a persistent stream of moisture off the Pacific Ocean to West Central Idaho April 6-10. Rainfall totals of 2 to 5 inches were measured at many weather stations while snow melt added 1 to 3 inches of melt-water to the runoff. Main stem river flooding, flash flooding, and small stream flooding occurred during the event with record or near record crests observed on a ...

Flood — Mar 6, 2014

An upper level trough pushed through Southwest Idaho on the 6th leading to strong thunderstorms including flash flooding and debris flows near McCall and a funnel cloud near Twin Falls.

Flood — Mar 16, 2012

Heavy Rain caused flooding in and around the New Meadows, Yellowpine and Cascade areas.

Flash Flood — Jun 4, 2010

A deep low pressure system anchored in the Gulf of Alaska and a zonal flow pattern across the Pacific Northwest and Intermountain West provided the right ingredients for a sustained moisture plume which produced convection and periods of moderate to heavy rain over a three day period causing flooding and flash flooding, and severe thunderstorms across Southeast Oregon and Southwest Idaho.

Flood — Jun 4, 2010

A deep low pressure system anchored in the Gulf of Alaska and a zonal flow pattern across the Pacific Northwest and Intermountain West provided the right ingredients for a sustained moisture plume which produced convection and periods of moderate to heavy rain over a three day period causing flooding and flash flooding, and severe thunderstorms across Southeast Oregon and Southwest Idaho.

Source: NOAA National Weather Service Storm Events Database.

Idaho Statewide Flood Insurance Data

Total NFIP Claims
1,106
Total Claims Paid
$10.3M

Flood Zone Types in Valley County

FEMA assigns flood zone designations to areas in Valley 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.

View all flood zone types →

Flood Insurance in Valley County

Properties in Valley 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.