Enter any address in Mohave County, Arizona to see its FEMA flood zone
Flash flooding from monsoon thunderstorms is the dominant flood character in Mohave County. Over the last 30 years, NOAA Storm Events data shows 656 flash flood events and 41 other flood events, resulting in 8 reported fatalities. For example, isolated thunderstorms fueled by monsoon moisture caused flash flooding on August 16, 2025. Similarly, tropical moisture from the remnants of Pacific Hurricane Priscilla contributed to flash flooding on October 11, 2025.
National Flood Insurance Program (NFIP) claims data indicates that while Zone A and Zone X_SHADED areas have seen numerous claims, Zone X has experienced significantly higher average payouts and water depths. Homeowners in Zone X, as well as those in Zone A and areas with unknown flood risk, should pay particular attention to flood preparedness.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
11 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Mohave County, Arizona has recorded 697 flood-related events since 1996 according to NOAA's Storm Events Database, including 656 flash floods and 41 river or area floods. The county has received 15 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Willow Fire | Fire | Aug 8, 2015 |
| Dean Peak Fire | Fire | Jul 1, 2013 |
| Severe Winter Storms And Flooding | Severe Storm | Jan 18, 2010 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Hulet Fire-06-11-2005 | Fire | Jun 11, 2005 |
| Severe Storms And Flooding | Severe Storm | Feb 10, 2005 |
| Severe Storms And Flooding | Severe Storm | Dec 28, 2004 |
| Heavy Rain & High Winds | Severe Storm | Jan 15, 1985 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Sep 28, 2025 | 1.00K |
| Flash Flood | Sep 28, 2025 | 2.00K |
| Flash Flood | Sep 26, 2025 | 2.00K |
| Flash Flood | Sep 26, 2025 | 1.00K |
| Flash Flood | Sep 26, 2025 | 5.00K |
| Flood | Aug 16, 2025 | 1.00K |
| Flash Flood | Nov 15, 2025 | 1.00K |
| Flash Flood | Oct 11, 2025 | 1.00K |
| Flash Flood | Oct 11, 2025 | 25.00K |
| Flash Flood | Sep 6, 2025 | 10.00K |
Flash Flood — Sep 28, 2025
Low pressure moved very slowly east from the eastern Pacific across the Mojave Desert, triggering scattered thunderstorms for a few days. Several storms produced flash flooding.
Flash Flood — Sep 26, 2025
Low pressure moved very slowly east from the eastern Pacific across the Mojave Desert, triggering scattered thunderstorms for a few days. Several storms produced flash flooding.
Flood — Aug 16, 2025
High pressure to the east and a trough to the west advected in a weak push of monsoon moisture, fueling isolated thunderstorms over northwest Arizona. A few produced severe weather and flooding.
Flash Flood — Nov 15, 2025
Low pressure moving in from the Pacific advected in near-record precipitable water for November. Most of the impacts were in California, with only one report just east of the Colorado River.
Flash Flood — Oct 11, 2025
Tropical moisture from the remnants of Pacific Hurricane Priscilla plus an approaching trough in the westerlies fueled scattered thunderstorms, a few of which produced flash flooding.
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 Mohave County, Arizona:
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 Mohave County, Arizona 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.