Blanco County, Texas severe weather history spans 249 recorded events between 1958 and 2025. The dominant hazard is hail, accounting for 49.8% of all recorded events. It ranks #2,112 nationally and #181 in Texas.
249
Recorded events
5
Direct deaths
14
Direct injuries
$58.6M
Property damage
The record
What the Blanco County, Texas severe weather history record shows
Across the archive, Blanco County, Texas severe weather history averages 3.7 recorded events a year. The busiest stretch on record is the 2000s, with 70 events logged in that decade alone. Roughly 41 events fall before 1990 and 208 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Blanco County, Texas record is flash flood, responsible for 5 direct deaths. The costliest is tornado, with $26.5M in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Blanco County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Hail | 124 | 0 | $10.0M | 6.12 | 1963–2025 |
| Flash Flood | 73 | 5 | $21.6M | 0 | 1997–2024 |
| Thunderstorm Wind | 31 | 0 | $434K | 78 | 1958–2023 |
| Tornado | 19 | 0 | $26.5M | F3 | 1969–2025 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2001–2001 |
| Flood | 1 | 0 | $0 | 0 | 2007–2007 |
Decade by decade
Blanco County, Texas severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
17 mapped tornado paths intersect this county: 14 touched down inside it and 3 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1969-05-06 | EF3 | 0 | 2 | 38.9 mi | Crossed in |
| 1980-08-10 | EF2 | 0 | 20 | 47.7 mi | Crossed in |
| 2020-04-12 | EF1 | 0 | 2 | 7.0 mi | Touched down here |
| 2006-04-20 | EF1 | 0 | 0 | 0.3 mi | Touched down here |
| 2006-04-20 | EF1 | 0 | 0 | 0.7 mi | Touched down here |
| 2004-11-16 | EF1 | 0 | 0 | 12.0 mi | Touched down here |
| 1982-04-20 | EF1 | 0 | 0 | 4.0 mi | Touched down here |
| 1976-05-23 | EF1 | 0 | 0 | 13.7 mi | Crossed in |
| 1976-05-31 | EF1 | 0 | 0 | 5.4 mi | Touched down here |
| 2015-05-25 | EF0 | 0 | 0 | 4.9 mi | Touched down here |
Significant events
Deadliest events on record in Blanco County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Nov 15, 2001 | Flash Flood | COUNTYWIDE | 1 | 10 | $100K |
| May 4, 2019 | Flash Flood | BLANCO | 1 | 0 | $0 |
| May 24, 2015 | Flash Flood | TWIN SISTERS | 1 | 0 | $0 |
| May 23, 2015 | Flash Flood | BLANCO | 1 | 0 | $20.0M |
| May 3, 2007 | Flash Flood | JOHNSON CITY | 1 | 0 | $0 |
| Apr 12, 2020 | Tornado | ROUND MTN | 0 | 2 | $1.0M |
| May 6, 1969 | Tornado | 0 | 2 | $25K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Thunderstorms produced heavy rain that caused flash flooding closing FM 1623 along the Blanco River. A 42 year old man died in his vehicle along the Blanco River near downtown Blanco. Flooding along the Blanco River in the town of Blanco was substantial. Water came up to the bottom of the Highway 281 bridge in Blanco. Water overtopped the Loop 163 bridge east of Blanco. The Blanco River overtopped County Road 165 and destroyed that bridge. Portions of the Blanco State Park were heavily damaged with cabins flooded. There were a total of 22 homes either destroyed or heavily damaged. Monetary losses were unavailable at the time of this writing but estimated to be more than several million dollars with losses to homes/structures and road infrastructure.
Rainfall redeveloped in the early morning hours over Blanco County, with amounts approaching 4 inches by 0500 CST and approaching 6 inches near 0700 CST. Heavy rainfall continued into the mid morning on the 15th, then began to diminish. By that time, general 5 to 6 inch rainfall was reported across the county, with isolated totals of up to 10 inches over much of the central part of the county and maximum amounts just over 12 inches near Twin Sisters. A 64-year old man was drowned when he tried to drive across a low water crossing over CR102. One other passenger in the vehicle was rescued when a passing motorist was able to throw him a rope. The victim was unable to hold onto the rope and was swept away.
Thunderstorms produced heavy rain that led to flash flooding. At approximately 8:07 PM local time, Blanco County Fire/EMS responded to a call about a vehicle that had been swept away due to flood waters on the Blanco River just east of the City of Blanco. One passenger was found downstream 800 yards of where the vehicle went into the water. She was rescued successfully but a second passenger, a 74 year old woman, was found deceased about 60 yards from the vehicle at approximately 10:56 PM.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
12,446
Population (ACS)
$484K
Median home value
20
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| May 17, 2024 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | DR |
| Apr 21, 2023 | Winter Storm | SEVERE WINTER STORM | DR |
| Feb 19, 2021 | Severe Ice Storm | SEVERE WINTER STORMS | DR |
| Feb 14, 2021 | Severe Ice Storm | SEVERE WINTER STORM | EM |
| Mar 25, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Blanco County, Texas?
249 events are on record between 1958 and 2025, causing 5 direct deaths and $58.6M in property damage.
What is the most common severe weather hazard in Blanco County?
Hail, with 124 recorded events — 49.8% of everything in the archive for this county.
How many tornadoes have crossed Blanco County?
17 mapped tornado paths intersect the county boundary; 14 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Blanco County?
20 federal disaster declarations from FEMA include Blanco County, each tied to a specific incident period.
How risky is Blanco County compared with the rest of the country?
FEMA's National Risk Index rates Blanco County as very low risk, placing it in the 33 percentile of its state for expected annual loss.
Where does the Blanco County, Texas severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Bexar County 1,409
- Borden County 210
- Bell County 965
- Bosque County 470
- Bee County 284
- Bowie County 849
Cite this page
“Blanco County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/blanco-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.