64
Recorded events
2
Direct deaths
0
Direct injuries
$396K
Property damage
Flash Flood in Grant County, New Mexico: 64 recorded events between 1997 and 2025. The strongest on record measured 0. That places the county #403 nationally and #10 statewide for this hazard.
Decade by decade
Flash Flood in Grant County, New Mexico: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Grant County is the 2010s, when 29 of the county's 64 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Grant County archive, flash flood makes up 37.4% of all recorded severe weather across 6 hazard types. Nationally the county sits at #403 for this hazard and #10 within New Mexico, putting it in the 86.8 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Grant County with 26 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Sep 30, 2017 | SILVER CITY | 0 | 2 | 0 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 26, 2025 | BAYARD | 0 | $0 |
| Sep 26, 2025 | REDSTONE | 0 | $0 |
| Jul 18, 2025 | FIERRO | 0 | $0 |
| Jul 16, 2025 | REDSTONE | 0 | $0 |
| Jul 2, 2025 | GEORGETOWN | 0 | $0 |
| Jul 27, 2022 | GEORGETOWN | 0 | $0 |
| Sep 5, 2021 | CLIFF | 0 | $0 |
| Aug 16, 2021 | SAN LORENZO | 0 | $0 |
| Jul 10, 2018 | REDROCK | 0 | $0 |
| Sep 30, 2017 | SILVER CITY | 0 | $0 |
Other hazards here
More from Grant County
- Hail 58
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Widespread rainfall amounts of 2 inches to almost 3.5 inches occurred around Silver City in the early morning hours. A water rescue was necessary in Tyrone. One vehicle was swept away in the Pinos Altos Creek low water crossing on East 19th Street. The vehicle became wedged in culvert running under US 180, but the driver and occupant were washed downstream. One body was recovered about 0.8 miles downstream near the confluence with Silva Creek. A second body was recovered about 1.2 miles downstream in the Silver City big ditch reach of San Vicente Arroyo near the Broadway Street bridge.
A weather spotter measured 4 inches of rain at Separ (between Deming and Lordsburg) from a slow moving thunderstorm. The force of the running water washed out some of a railroad bed, knocked over much of the fencing in the area, and resulted in extensive erosion damage to local roads.
Nearly 3 inches of rain produced flooding which lead to the closure of two roads in the Bayard area. A handful of businesses were damaged, Cobre High School was 3 feet deep in water, and one family was displaced (aided by the local Red Cross) when the foundation of their house cracked. A water rescue was performed in nearby Santa Clara.
Quick answers
Frequently asked
How many flash flood events are on record in Grant County, New Mexico?
64 flash flood events are recorded in Grant County between 1997 and 2025, causing 2 direct deaths.
What is the strongest flash flood recorded in Grant County?
The strongest flash flood on record in Grant County measured 0.
Where does the flash flood data for Grant County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Grant County, New Mexico.” Severe Weather History. severeweatherhistory.com/county/new-mexico/grant-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.