County Hazards

States › Nevada › Storey County › Flood

Flood in Storey County, Nevada

16 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

16 events · 0 deaths recorded · peak month August · county share of state 1.7%

2025-08-27: Flood2025-08-27: Flood2025-08-26: Flood2023-03-09: Flood2019-07-26: Flood2017-01-08: Flood2017-01-08: Flood2015-07-06: Flood2010-08-08: Flood2006-01-01: Flood2005-12-31: Flood
Flood event locations in and around Storey County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Storey County, Nevada, has 16 flood events in the NCEI record since 1950, with at least one in 12 different years.

August is the busiest month, with 6 of the recorded events. The last 20 years account for 9 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.7% of the 918 flood events recorded in Nevada; its 6.1 per 100 square miles compares with 0.8 statewide.

Compared with Nevada

MeasureStorey CountyNevadaUS
Flood events since 195016918183,559
Per 100 square miles6.10.85.2
Per 10,000 residents38.62.95.5
Deaths recorded0152,961
Busiest monthAugustJulyJune

By year

195019882026
Flood events recorded in Storey County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
3
Feb
1
Mar
1
Apr
0
May
0
Jun
1
Jul
3
Aug
6
Sep
0
Oct
0
Nov
0
Dec
1
Flood events in Storey County by month of occurrence, all years.

Recorded events

All 16 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
27 Aug 2025Flash Flood—————County
27 Aug 2025Flash Flood—————County
26 Aug 2025Flash Flood—————County
9 Mar 2023Flood—————County
26 Jul 2019Flash Flood—————County
8 Jan 2017Flood—$50K———County
8 Jan 2017Flood—$350K———County
6 Jul 2015Flash Flood—$10K———County
8 Aug 2010Flash Flood—$5K———County
19 Jul 2006Flash Flood—————County
1 Jan 2006Flood—$243K———County
31 Dec 2005Flood—$724K———County
14 Aug 2004Flash Flood—————County
2 Aug 2002Flash Flood—————County
29 Jun 2000Flash Flood—————County
3 Feb 1996Flash Flood—$10K———County

Questions and answers

How many flood events has Storey County had?

16 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Storey County?

27 Aug 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Storey County?

The flood of 31 Dec 2005, with property damage estimated by NCEI at $724K.

How does Storey County compare with Nevada for flood?

6.1 events per 100 square miles against 0.8 statewide; the county holds 16 of the state's 918 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.