Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Webb County, Texas

109

Recorded events

1

Direct deaths

0

Direct injuries

$4.8M

Property damage

Flash Flood in Webb County, Texas: 109 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #143 nationally and #22 statewide for this hazard.

Decade by decade

Flash Flood in Webb County, Texas: events per decade

Flash Flood in Webb County, Texas: recorded events per decade
Flash Flood in Webb County, Texas: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Webb County is the 2010s, when 39 of the county's 109 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 Webb County archive, flash flood makes up 26.5% of all recorded severe weather across 8 hazard types. Nationally the county sits at #143 for this hazard and #22 within Texas, putting it in the 95.5 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
0Feb
1Mar
9Apr
18May
10Jun
14Jul
20Aug
25Sep
10Oct
2Nov
0Dec

Sep is the peak month for flash flood in Webb County with 25 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

DateLocationScaleDeathsInjuriesDamage
Jun 17, 2007LAREDO010$1.0M
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Sep 25, 2025LAREDO0$0
Sep 25, 2025LAREDO0$0
Sep 7, 2025(LRD)LAREDO INTL ARP0$0
Nov 1, 2024LAKE CASA BLANCA0$0
Sep 15, 2024LAREDO0$0
Oct 5, 2023LAKE CASA BLANCA0$0
Oct 5, 2023(LRD)LAREDO INTL ARP0$0
Sep 16, 2023LAREDO0$0
Sep 16, 2023LAKE CASA BLANCA0$0
Aug 22, 2023LAREDO0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Webb County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Webb County, Texas?

109 flash flood events are recorded in Webb County between 1996 and 2025, causing 1 direct deaths.

What is the strongest flash flood recorded in Webb County?

The strongest flash flood on record in Webb County measured 0.

Where does the flash flood data for Webb 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 Webb County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/webb-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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