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Williamson storm history

Storm events recorded in Williamson, Texas between 1950 and 2025.

1,017
Total events
68
Tornadoes
446
Hail
154
Floods
13
Deaths
$377.2M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

May 17, 1989 · Williamson, Texas
Tornado F3 Tornado1 death, 28 injuries, $2.5M damage
April 7, 1980 · Williamson, Texas
Tornado F3 Tornado1 death, 2 injuries
April 24, 1957 · Williamson, Texas
Tornado F3 Tornado
April 30, 1954 · Williamson, Texas
Tornado F3 Tornado6 injuries
February 14, 2021 · Williamson, Texas
Extreme Cold/Wind Chill Extreme Cold/Wind Chill2 deaths
Extreme cold temperatures and breezy winds combined to produce wind chill values of -5 to -10 degrees F.
May 25, 2015 · Williamson, Texas
Flash Flood Flash Flood1 death, $7.0M damage
Thunderstorms produced heavy rain that caused flash flooding around the county. Numerous roads were closed including Hairy Man Rd. The Bull Run Creek hike and bike trail was flooded. A 55 year old man died when his vehicle was swept away near CR 143 and Hwy 195 north of Georgetow…
May 17, 2015 · Williamson, Texas
Heavy Rain Heavy Rain1 death
In Round Rock TX on Sunday afternoon 4:40 PM, May 17 , a 38 year old male drowned in Brushy Creek near Chisholm Trail. His 4 year old daughter had left a gathering at a park and wondered in the creek area and tried to cross a small dam. When the father tried to go after her, they…
September 8, 2010 · Williamson, Texas
Flash Flood Flash Flood1 death
Heavy rain from Tropical Storm Hermine produced flash flooding which closed I-35 in both directions in Georgetown which caused one death. A man was found dead in a drainage field on September 14th. Police believe on September 8th at around 2am he was forced to stop his car becaus…
January 27, 2009 · Williamson, Texas
Winter Storm Winter Storm1 death
Jarrell Fire Department reported that all overpasses between Jarrell and Georgetown were iced over. Numerous roads had ice accumulation countywide with multiple traffic accidents. Portions of Highway 45 were closed due to ice. Public reported ice accumulation up to 1/4 inch in ma…
March 13, 2007 · Williamson, Texas
Flash Flood Flash Flood1 death
CR258, CR268, CR305 were all closed due to high water, among many others. A husband and wife were driving home in the Georgetown area near 1920 pm CST. Their vehicle stalled in high water in Berry Creek. Rescuers reached the couple and attempted to bring them to safety, both were…
November 15, 2001 · Williamson, Texas
Flash Flood Flash Flood2 deaths, 10 injuries
July 25, 2000 · Williamson, Texas
Heat Heat1 death
The victim was found in his home in front of an open refrigerator. The home had no air conditioning, only a window fan.
July 19, 1998 · Williamson, Texas
Lightning Lightning1 death
Lightning struck a 38-year old man as he was cleaning his pool in Georgetown. He died about one hour later.
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood$25.0M damage
There was extensive flooding along the San Gabriel River across the county. In Georgetown two apartment complexes were evacuated. Flood waters knocked trees and damaged light poles in San Gabriel Park. Flooding at College St. and W. L. Walden Dr. prompted evacuations of the Georg…
September 24, 2023 · Williamson, Texas
Hail Hail$300.0M damage
A thunderstorm produced four inch diameter hail in Round Rock. This storm was part of a complex that caused 700 million dollars in hail damage in Texas. The damage in Austin, Georgetown, and Round Rock was the most impactful from this system and totaled upwards of 600 million dol…
August 8, 2023 · Williamson, Texas
Wildfire Wildfire$2.0M damage
The Parmer Lane wildfire started on the 8th near Parmer Lane and E. Whitestone Blvd. in Cedar Park. Red Flag conditions were observed with relative humidity as low as low as 20% and winds 10-20 mph with gusts up to 30 mph when the fire started. Two apartment buildings at the Silv…
February 1, 2023 · Williamson, Texas
Winter Storm Winter Storm$22.6M damage
Freezing rain began around 11 AM on January 30 and continued off and on through February 2. By 9:13 PM on January 30 the Emergency Manager reported ice accumulating on the roadway of the 183A toll road overpass at Brushy Creek Rd in Cedar Park. By the end of the event 0.5' of ice…
October 30, 2013 · Williamson, Texas
Flash Flood Flash Flood$1.1M damage
Across Round Rock and the northern sections of Williamson County, heavy rain fell much of the night with areas reporting up to 10 inches of rain. At the peak of the flooding there were 23 areas closed due to high water. Several homes along Brushy Creek were evacuated. Houses were…
September 5, 2011 · Williamson, Texas
Wildfire Wildfire$1.7M damage
The Moonglow Wildfire started in Leander on September 5 behind a cold front that brought strong northerly winds to South Central Texas. The fire burned 300 acres and destroyed 11 homes and damaged 9 others.
December 10, 1985 · Williamson, Texas
Tornado F2 Tornado2 injuries, $2.5M damage
August 1, 2025 · Williamson, Texas
Thunderstorm Wind Thunderstorm Wind
A thunderstorm produced wind gusts estimated at 70 mph that knocked down power lines and trees on Lydia Ln. in Thrall.
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Liberty Hill. This caused flash flooding. Law Enforcement reported several large sheds and storage buildings moved off of their foundations a…
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Liberty Hill. Liberty Hill PD reported that CR 279 is underwater, and the bridge over the South Fork San Gabriel River had several feet of wa…
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Leander. There was several feet of water over the roadway on CR 267 along the South Fork San Gabriel River in Leander.
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Leander. River Run Road was under several feet of water along the South Fork San Gabriel River in Leander.
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Leander. Multiple houses were flooded with flowing water around them.
July 5, 2025 · Williamson, Texas
Flash Flood Flash Flood
Thunderstorms produced 8-10 inches of rain over the headwaters of the San Gabriel River in Burnet County and an additional 1-2 inches over Liberty Hill. First responders performed a water rescue on CR 285, southwest of Liberty Hill. Water was going through first story windows of …
June 1, 2025 · Williamson, Texas
Drought Drought
A large portion of the eastern half of South-Central Texas received above normal rainfall in June. This led to drought improvement in a number of counties. Burnet, Gonzales, Karnes, Llano, and Williamson all improved from Severe (D2) drought category to Moderate (D1) drought.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced pea to quarter size hail northwest of Liberty Hill.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced quarter size hail northwest of Leander.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced quarter size hail at Park St. and Hwy 183 in Cedar Park.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced half dollar size hail south of Liberty Hill.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced ping pong ball size hail in Cedar Park.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced nickel to chicken egg size hail for 20 minutes in Cedar Park.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced golf ball size hail between Leander and Cedar Park.
May 28, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced ping pong ball size hail between Leander and Cedar Park.
May 26, 2025 · Williamson, Texas
Thunderstorm Wind Thunderstorm Wind
A thunderstorm produced wind gusts estimated at 60 mph that blew down some fencing and traffic signs south of Jarrell.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced quarter size hail west of Liberty Hill.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced half dollar size hail in Liberty Hill.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced half dollar size hail south of Liberty Hill.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced penny size hail between Liberty Hill and Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced pea to golf ball size hail in Leander. The hail dented some cars and shredded leaves.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced two inch diameter hail in the Carneros Ranch neighborhood in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced golf ball size hail in the North Creek Ranch neighborhood in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced baseball size hail in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced three inch diameter hail in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced chicken egg to tennis ball size hail in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced baseball size hail in the Deerbrooke neighborhood in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced ping pong ball size hail in Leander.
May 16, 2025 · Williamson, Texas
Hail Hail
A thunderstorm produced ping pong ball size hail near Jim Plain Elementary School in Leander.

Events by year

YearEventsTornadoes
2025930
2024260
2023710
2022414
2021220
2020240
2019271
2018312
2017354
2016161
2015314
2014140
2013320
2012260
2011291
2010120
2009501
2008280
2007220
2006261
2005170
2004224
200380
2002220
2001161
2000213
1999160
1998201
199761
1996200
1995120
199421
199330
1992171
199191
199040
198951
198820
198780
198610
198542
198460
198383
1982141
1981112
1980213
197940
197831
197741
197680
197551
197421
197320
197255
197110
197010
196910
196811
196711
196654
196520
196441
196311
196111
196010
195930
195811
195732
195631
195531
195411