| October 2018 | Flash Flood | Llano | 1 killed, $1,000,000 | Heavy rain caused an extensive rise in area creeks and rivers, pushing the Llano River to near 40 feet at the USGS river gauge in Llano. This is the 2nd highest ever recorded height on the river in the city of Llano. Flow peaked out about 285,000 CFS around 730 AM that morning nearly coming up to the level of the Highway 16 (Ford St.) bridge in town. Several homes were flooded along the river with damage to the area parks as well. A 58 year old woman lost her life in her vehicle as she was trying to get to work in town near West Sandstone and Flag Street. Time when she entered the water is unknown but is estimated around 5 AM that morning. Phone and internet service went down as the high water flow washed away phone lines underneath the Llano River Bridge. Damage in the city of Llano will likely surpass 1 million dollars. |
| September 2000 | Thunderstorm Wind | Llano | $120,000 | Severe thunderstorm winds caused widespread damage to trees and roofs in the Llano area. The winds also blew down power lines. |
| June 2007 | Flash Flood | Llano | $100,000 | Two lines of thunderstorms, one moving south from the Dallas area and one moving southeast from the Abilene area, intersected and stalled near Marble Falls, producing 5 to 8 inch rain amounts over eastern Llano County, with up to 12 inches between Llano and Sunrise Beach. Flash flooding was extremely severe in southeastern Llano County and all roads in that quarter of the county were closed. |
| October 2004 | Hail | Llano | $80,000 | Hail as large as golfballs damaged vehicle windows and bodies and broke windows in homes in Llano. Most of the hail was reported to be near 1 inch in diameter. |
| May 1999 | Thunderstorm Wind | Llano | $50,000 | The wind gusts were reported by a school weather network. The Llano County Sheriff's Department reported trees blown down in and around the city of Llano. |
| September 1993 | Thunderstorm Wind | Llano | $50,000 | Power lines were blown down in the southern part of the county, lightning damaged several transformers. |
| October 1993 | Thunderstorm Wind | Llano | $50,000 | The Sheriff's Office reported power lines down, and power out across the City of Llano. Wind speeds were estimated to be near 70 MPH. |
| April 1998 | Thunderstorm Wind | Llano | $20,000 | no account filed |
| March 2000 | Tornado (F1) | Llano | $10,000 | A short-lived tornado was observed by officers from the Sheriff's Department as it moved toward the east-northeast. It was located in open country and damage was limited to trees blown down along its path. |
| June 1997 | Thunderstorm Wind | Llano | $10,000 | Texas Department of Transportation personnel reported several trees blown down in the Llano area. |
| May 1997 | Thunderstorm Wind | Llano | $3,000 | Sheriff's department reported utility poles blown over. |
| January 1998 | Flash Flood | Llano | $3,000 | no account filed |
| September 1996 | Thunderstorm Wind | Llano | $3,000 | no account filed |
| March 2017 | Thunderstorm Wind | Llano | $2,000 | A thunderstorm produced wind gusts estimated at 60 mph that damaged the roof of a business building. |
| June 2010 | Thunderstorm Wind | Llano | $500 | A thunderstorm produced wind gusts estimated at 50 mph which knocked down large tree limbs. |
| May 2025 | Hail | Llano | - | A thunderstorm produced quarter size hail in Llano. |
| July 2025 | Flash Flood | Llano | - | Multiple rounds of thunderstorms produced 7 to 20 inches of rain over the Llano River watershed in Mason County sending a flood wave downstream into Llano County where 2-9 inches of rain fell. At Llano, floodwaters inundated portions of Badu Park and Robinson Park, with some park structures flooded at Badu Park. |
| May 2024 | Hail | Llano | - | A thunderstorm produced nickel size hail in Llano. |
| September 2024 | Flash Flood | Llano | - | Thunderstorms produced heavy rain that led to flash flooding. The website ATXFloods.com reported several low water crossings were closed in north-central Llano County. |
| May 2023 | Hail | Llano | - | A thunderstorm produced quarter size hail in Llano. |
| May 2023 | Hail | Llano | - | A thunderstorm produced half dollar size hail in Llano. |
| April 2021 | Hail | Llano | - | A thunderstorm produced tennis ball size hail in Llano. A broadcast media partner provided a photograph of the hail. |
| April 2021 | Hail | Llano | - | A thunderstorm produced golf ball size hail in Llano. |
| April 2021 | Hail | Llano | - | A thunderstorm produced two inch diameter hail in Llano. |
| April 2021 | Hail | Llano | - | A thunderstorm produced golf ball size hail near Llano. |
| June 2019 | Hail | Llano | - | A thunderstorm produced baseball size hail in Llano. |
| June 2019 | Hail | Llano | - | A thunderstorm produced golf ball size hail in Llano. |
| October 2018 | Flash Flood | Llano | - | Thunderstorms produced heavy rain that led to flash flooding closing multiple roads in and around Llano. |
| May 2015 | Flash Flood | Llano | - | Farm to market road 2323 was closed due to high water southwest of the city of Llano. |
| February 2012 | Flash Flood | Llano | - | Thunderstorms produced heavy rain which caused flash flooding and closed several roads southwest of Llano including West Sandstone Road and RR 2323. |
| May 2012 | Hail | Llano | - | A thunderstorm produced one inch hail east of Llano. |
| May 2012 | Hail | Llano | - | A thunderstorm produced quarter to golf ball size hail west of Llano. |
| May 2012 | Hail | Llano | - | A thunderstorm produced golf ball size hail southeast of Llano. On the ground, the hail was blown into drifts. |
| May 2012 | Thunderstorm Wind | Llano | - | A thunderstorm produced wind gusts estimated at 60 mph and penny size hail. |
| April 2011 | Thunderstorm Wind | Llano | - | A thunderstorm produced a wind gust estimated at 60 mph by a CoCoRaHS observer five miles west of Llano. |
| May 2008 | Hail | Llano | - | There were numerous reports of hail in the city of Llano. |
| June 2007 | Flood | Llano | - | The Llano River at Llano crested at 20.4 feet at 1045cst on June 26, where 10 feet is flood stage. |
| May 2007 | Flash Flood | Llano | - | Scattered showers and thunderstorms produced 4 to 6 inches of rain over southeast Llano County. Flash flooding developed in the early evening with high water closing SH71. |
| May 2007 | Flash Flood | Llano | - | Scattered showers and thunderstorms produced general 2 to 3 inch rain amounts in Llano in less than two hours. Brief flash flooding closed several streets in the city in the morning. |
| August 2007 | Flash Flood | Llano | - | Showers and thunderstorms associated with Erin produced general 2 to 3 inch amounts across the south and west portions of Llano County. FM2323 was reported to be closed due to high water through the late evening. |
| May 2007 | Hail | Llano | - | Hail broke the windshield of a DPS trooper just northwest of Llano. |
| May 2005 | Flash Flood | Llano | - | The storms in Gillespie County spread northward into eastern Llano County, producing between 1 and 2 inches of rain between Llano and Kingsland. Highest totals were near 3 inches about 10 miles southeast of Llano. Flash flooding was reported along SH721 southeast of Llano and FM1431 was closed north of Kingsland. |
| June 2005 | Thunderstorm Wind | Llano | - | Widespread damage was reported by the Sheriff's Department across the western part of Llano County. Trees were blown over by winds from the line of thunderstorms. Also, widespread damage to roofs was noted. |
| July 2005 | Flash Flood | Llano | - | Thunderstorms produced nearly 3 inches of rain in the early afternoon near Llano. The resulting flash flooding closed SH16 south of Llano. Thunderstorms produced nearly 3 inches of rain in the early afternoon near Llano. The resulting flash flooding closed SH16 south of Llano. |
| March 2000 | Tornado (F0) | Llano | - | A second tornado was sighted by Sheriff's Department officers in open country. No damage was indicated. |
| March 1993 | Hail | Llano | - | The sheriff's office made several reports of large hail. The initial report came from Oxford, of dime-size hail. A few minutes later golfball-size hail was reported in Kingsland. About an hour late as another area of thunderstorms moved into the County nickel-size hail was reported south of Llano. |
| May 2016 | Hail | Llano | - | no account filed |
| April 2014 | Hail | Llano | - | no account filed |
| April 2014 | Hail | Llano | - | no account filed |
| April 2014 | Hail | Llano | - | no account filed |
| April 2014 | Hail | Llano | - | no account filed |
| May 2012 | Hail | Llano | - | no account filed |
| May 2012 | Hail | Llano | - | no account filed |
| May 2011 | Hail | Llano | - | no account filed |
| May 2008 | Hail | Llano | - | no account filed |
| May 2008 | Hail | Llano | - | no account filed |
| April 2007 | Hail | Llano | - | no account filed |
| May 2006 | Hail | Llano | - | no account filed |
| May 2006 | Hail | Llano | - | no account filed |
| May 2006 | Hail | Llano | - | no account filed |