National Weather ServiceNevadaFlash Flood WarningArchive to October 1, 2026
Flash Flood Warnings in Nevada
The National Weather Service issued 62 flash flood warnings for Nevada in 2025 and 68 a year on average in 2008-2025; in 2021-2025 it had the 26th most of any state. 2026 through September: 23, 63% below the average of 62 for those months in 2008-2025. Clark was covered most often (637 times since 2008).
How many flash flood warnings does Nevada get?
Every flash flood warning that covered part of Nevada. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 23 |
| 2025 | 62 |
| 2024 | 21 |
| 2023 | 72 |
| 2022 | 131 |
| 2021 | 49 |
| 2020 | 18 |
| 2019 | 17 |
| 2018 | 93 |
| 2017 | 72 |
| 2016 | 44 |
| 2015 | 93 |
| 2014 | 135 |
| 2013 | 170 |
| 2012 | 87 |
| 2011 | 55 |
| 2010 | 38 |
| 2009 | 21 |
| 2008 | 37 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Nevada get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Nevada?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Clark | 637 | 111 | September 28, 2026 |
| Nye | 174 | 19 | October 10, 2025 |
| Lincoln | 150 | 15 | September 28, 2026 |
| Elko | 94 | 7 | July 8, 2026 |
| Washoe | 70 | 16 | August 13, 2026 |
| Douglas | 55 | 12 | September 25, 2025 |
| Lyon | 53 | 10 | August 26, 2025 |
| White Pine | 44 | 1 | August 21, 2026 |
| Eureka | 43 | 2 | August 24, 2025 |
| Esmeralda | 42 | 4 | September 5, 2025 |
| Storey | 41 | 12 | August 13, 2026 |
| Lander | 31 | 2 | August 13, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest flash flood warnings for Nevada in AreaZine's record
NWS Las VegasWarningSeptember 28, 2026
Flash Flood Warning: Mohave, San Bernardino and Clark, AZ and CA
Expired 7:15 p.m. PDT, September 28, 2026
NWS Las VegasWarningSeptember 28, 2026
Flash Flood Warning: Mohave and Clark, AZ and NV
Expired 6:15 p.m. PDT, September 28, 2026
NWS Las VegasWarningSeptember 28, 2026
Flash Flood Warning: San Bernardino and Clark, CA and NV
Expired 6:30 p.m. PDT, September 28, 2026
NWS Las VegasWarningSeptember 28, 2026
Flash Flood Warning: Lincoln, NV
Expired 3:00 p.m. PDT, September 28, 2026
NWS ElkoWarningAugust 21, 2026
Flash Flood Warning: White Pine, NV
Expired 5:00 p.m. PDT, August 21, 2026
NWS Las VegasWarningAugust 15, 2026
Flash Flood Warning: San Bernardino and Clark, CA and NV
Expired 6:45 p.m. PDT, August 15, 2026
NWS Las VegasWarningAugust 14, 2026
Flash Flood Warning: Mohave and Clark, AZ and NV
Expired 6:15 p.m. PDT, August 14, 2026
NWS Las VegasWarningAugust 14, 2026
Flash Flood Warning: Lincoln, NV
Expired 4:00 p.m. PDT, August 14, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a flash flood warning?
A flash flood warning means flash flooding is happening or about to happen: water rising fast in streams, streets or dry washes, usually within six hours of heavy rain or a dam or levee failure. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Nevada.