Enter any address in Storey County, Nevada to see its FEMA flood zone
Flash flooding from monsoon moisture is the dominant flood character in Storey County. Recent events include flash floods in August 2025, driven by heavy precipitation from an extended push of monsoon moisture. Another flood event occurred in March 2023, where heavy rainfall increased the possibility of flooding for lower elevation creeks and streams.
Over the last 30 years, NOAA Storm Events data shows 11 flash flood events and 7 flood events, which resulted in 2 fatalities. National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced an average of 1.2 feet of water depth with an average payout of $5,548. Properties in Zone X_Unshaded have also filed claims, with an average water depth of 0.8 feet and an average payout of $1,666.
Homeowners in Zone A, and those located near creeks and streams, should pay the most attention to flood risk.
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.
Storey County, Nevada has recorded 18 flood-related events since 1996 according to NOAA's Storm Events Database, including 11 flash floods and 7 river or area floods. The county has received 13 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Flood | Mar 8, 2023 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms, Flooding, And Mudslides | Severe Storm | Feb 5, 2017 |
| Severe Winter Storms, Flooding, And Mudslides | Severe Storm | Jan 5, 2017 |
| Linehan Fire Complex | Fire | Jun 26, 2006 |
| Severe Storms And Flooding | Severe Storm | Dec 31, 2005 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Snow | Snowstorm | Jan 6, 2005 |
| Record And/or Near Record Snow | Snowstorm | Dec 29, 2004 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 27, 2025 | 0.00K |
| Flash Flood | Aug 26, 2025 | 0.00K |
| Flood | Mar 9, 2023 | 0.00K |
| Flash Flood | Jul 26, 2019 | 0.00K |
| Flood | Jan 8, 2017 | 50.00K |
| Flood | Jan 8, 2017 | 350.00K |
| Flash Flood | Jul 6, 2015 | 10.00K |
| Flash Flood | Aug 8, 2010 | 5.00K |
| Flash Flood | Jul 19, 2006 | — |
| Flood | Jan 1, 2006 | 243K |
Flash Flood — Aug 27, 2025
A high amount of atmospheric moisture in the region interacted with a short-wave trough, allowing for widespread heavy precipitation. This was day five of an extended push of monsoon moisture that produced heavy rain, localized flooding, strong outflow winds.
Flash Flood — Aug 26, 2025
A high amount of atmospheric moisture in the region interacted with a short-wave trough, allowing for widespread heavy precipitation. This was day four of an extended push of monsoon moisture that produced heavy rain, localized flooding, strong outflow winds.
Flood — Mar 9, 2023
Strong, even damaging west-southwest winds increased travel hazards especially to high profile trucks but also increased the danger for destructive avalanches across the region. Snow started at all elevations Thursday evening with snow levels rapidly rising Friday morning. Heavy, wet snow (Sierra Nevada Cement) fell across higher elevation areas as snow levels rose to 7000 feet over the region...
Flash Flood — Jul 26, 2019
Moisture from the eastern Pacific Ocean and the Gulf of California moved northward around the periphery of high pressure centered over the Four-Corners region of the Rockies the 24th into the 25th. This moisture, coupled with the weak flow and increased instability in the lower to middle portions of the atmosphere, resulted in storms producing heavy rains.
Flood — Jan 8, 2017
A strong atmospheric river brought heavy rain with widespread flooding on the 8th and 9th. There was a period of snow on the 7th, as well as freezing rain in some lower valleys into the morning of the 8th. Pre-emptive planning caused the closure of public schools and courts in Washoe County on the 9th. Many roads were closed due to flooding, overwhelmed and blocked culverts, and debris flows i...
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 Storey County, Nevada:
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 Storey County, Nevada 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.