NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Round Rock, TX
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
11 tropical systems have passed within 75 miles of Round Rock, Texas since 1851, 2 of them at hurricane strength; the most recent was Hermine in 2010. Since 1950, 108 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.
- Hurricanes
- 2
- Tropical storms
- 9
- Tornadoes
- 108
- EF3 or stronger
- 5
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
3 deaths in all
What the records show for Round Rock
The strongest storm to pass near Round Rock was an unnamed storm in 1886, a Category 1 hurricane with 76 mph winds when its centre passed 67 miles away. The record near Round Rock begins with an unnamed storm in 1886; the most recent system was Hermine in 2010, a tropical storm 62 miles away. The 1900s and the 1960s were the busiest decades, with 2 systems each. Of the 11 systems, one has come since 2000. Round Rock has more hurricanes within 75 miles than 62% of the 753 Texas cities on this site. The strongest of the 108 tornadoes within 25 miles was an F4 on May 27, 1997; its path came within 7 miles, and it killed 1 person. Of the 108, 9 had paths within 5 miles of the city centre, and 38 have come since 2000. May has had the most tornadoes, 32. The most recent tornado was on April 28, 2024. Round Rock has more tornadoes within 25 miles than 52% of the 753 Texas cities. Hail has been reported within 10 miles 165 times since 1966, with stones up to 4 inches (softball size). Round Rock has more hail reports within 10 miles than 81% of the 753 Texas cities.
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Tropical storms and hurricanes near Round Rock
Of the 11 tracks on the map, 6 were moving northwest as they passed Round Rock, 4 north and 1 west. The unnamed 1886 storm, the strongest pass, was heading northwest; its centre passed 67 miles southwest of Round Rock. None made landfall within 75 miles of Round Rock; 9 of the 11 were hurricanes at their peak, 2 at their closest to the city. In the last 30 seasons (1996–2025), 1 came near Round Rock: 0.3 a decade, against 0.7 a decade from 1851 to 1995.
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2010 | HermineSep 7 | 62 mi | Tropical storm (39 mph) | Tropical storm |
| 1973 | DeliaSep 6 | 11 mi | Tropical storm (40 mph) | Category 1 |
| 1968 | CandyJun 24 | 16 mi | Tropical storm (44 mph) | Tropical storm |
| 1961 | CarlaSep 12 | 20 mi | Tropical storm (58 mph) | Category 4 |
| 1943 | Unnamed 1943 stormJul 29 | 75 mi | Tropical storm (40 mph) | Category 2 |
| 1932 | Unnamed 1932 stormAug 14 | 42 mi | Tropical storm (43 mph) | Category 4 |
| 1915 | Unnamed 1915 stormAug 18 | 74 mi | Tropical storm (46 mph) | Category 4 |
| 1902 | Unnamed 1902 stormJun 27 | 34 mi | Tropical storm (45 mph) | Category 1 |
| 1900 | Unnamed 1900 stormSep 9 | 73 mi | Category 1 (75 mph) | Category 4 |
| 1897 | Unnamed 1897 stormSep 13 | 59 mi | Tropical storm (46 mph) | Category 1 |
| 1886 | Unnamed 1886 stormAug 20 | 67 mi | Category 1 (76 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Round Rock: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Check hail and hurricane history for any address
Tornadoes within 25 miles of Round Rock
By decade
- 2020s3
- 2010s17
- 2000s18
- 1990s16(3 EF3+)
- 1980s15(1 EF3+)
- 1970s18
- 1960s11
- 1950s10(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 27, 1997 | F4 | 7 mi | 5.6 mi | 1 / 5 |
| Apr 7, 1980 | F3 | 15 mi | 31.7 mi | 1 / 5 |
| May 27, 1997 | F3 | 3 mi | 9.2 mi | 0 / 15 |
| May 13, 1994 | F3 | 23 mi | 3.5 mi | 0 / 1 |
| May 10, 1959 | F3 | 15 mi | 11 mi | 0 / 0 |
| Jul 4, 1970 | F2 | 1 mi | 1.5 mi | 1 / 4 |
| Mar 21, 2022 | EF2 | 14 mi | 34.62 mi | 0 / 0 |
| Mar 16, 2000 | F2 | 14 mi | 1.5 mi | 0 / 0 |
| Dec 10, 1985 | F2 | 19 mi | 5 mi | 0 / 2 |
| Feb 10, 1981 | F2 | 23 mi | 0.8 mi | 0 / 0 |
| Aug 10, 1980 | F2 | 14 mi | 5.4 mi | 0 / 4 |
| Apr 14, 1977 | F2 | 2 mi | 41 mi | 0 / 0 |
The strongest 12 of 108, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Round Rock
The Storm Prediction Center has 165 hail reports within 10 miles of Round Rock since 1966, made on 83 separate days. Of these, 118 were 1 inch across or larger, and 20 reached 2 inches. The largest, 4 inches (softball size), fell on April 19, 1982. The most recent report is from May 28, 2025. March has the most reports, 51.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Round Rock
The nearest NOAA station with 1991–2020 climate normals is Austin Great Hills, TX, 9 miles east of Round Rock at 880 feet. August is the warmest, with an average high of 96°F and low of 72°F; January is the coolest, at 60°F and 38°F. October is the wettest at 4.6 inches of precipitation on average and February the driest at 2.0 inches; the year adds up to 37.1 inches over 48 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (20.3 of 37.1 inches); the other six months are drier. September has brought the most of the 11 tropical systems that passed within 75 miles (5); a normal September there has highs of 89°F and 3.4 inches of precipitation. Highs reach 90°F on about 114 days a year, almost all from April to October. Lows fall below freezing on about 27 nights a year. That 37.1 inches is more than at 179 of the 312 Texas stations used on this site (57%). Lakeway, 3 miles southwest, has its own station (Dripping Springs 6 E, TX): 35.8 inches a year, 1.3 less than here, and an August average high of 95°F against 96°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 60 | 38 | 2.6 | 4 |
| Feb | 65 | 41 | 2.0 | 3 |
| Mar | 72 | 48 | 3.0 | 4 |
| Apr | 79 | 55 | 2.3 | 4 |
| May | 84 | 64 | 4.1 | 6 |
| Jun | 92 | 70 | 4.4 | 5 |
| Jul | 96 | 73 | 2.8 | 4 |
| Aug | 96 | 72 | 2.3 | 2 |
| Sep | 89 | 67 | 3.4 | 5 |
| Oct | 80 | 57 | 4.6 | 4 |
| Nov | 69 | 47 | 2.8 | 4 |
| Dec | 61 | 39 | 2.8 | 4 |
| Year | 79 | 56 | 37.1 | 48 |
Averages for 1991–2020 at Austin Great Hills, TX (880 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Round Rock
Since 1996, the National Weather Service has logged 135 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Round Rock: 63 thunderstorm wind reports, 59 flash floods, 10 lightning strikes and 3 floods. They killed 5 people and injured 6, and the NWS estimated $16.6 million in property and crop damage. The strongest thunderstorm gust on record here was 85 mph, on June 12, 2014. September has had the most flash floods, 12 of 59. Of the 745 Texas cities on this site with a flash flood on record, 692 have had fewer than Round Rock.
July 6, 2007: flash flood 8 miles from the centre of Round Rock — 1 killed.
September 7, 2010: flash flood 9 miles from the centre of Round Rock — 1 killed.
September 18, 2014: flash flood 2 miles from the centre of Round Rock — 1 killed.
NWS: “Thunderstorms produced heavy rain that caused flash flooding requiring a swift water rescue at Fritz Hughes Park. A Travis County Sheriffs Deputy was reported missing around 1 AM after she called in by radio that her patrol car was being swept away by fast moving water.”
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Flood insurance policyholders in Round Rock's 3 ZIP codes have filed 310 claims with the National Flood Insurance Program since 1979, and were paid $8.4 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1984: 78 claims (25% of all) and $815,000, then Early summer storms in 2015 with 30. The year with the most claims was 2010, with 82. 38% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 433 Texas cities on this site with 10 or more claims, 315 have fewer than Round Rock.
| Event | Claims | Paid |
|---|---|---|
| Flooding1984 | 78 | $815,000 |
| Early summer storms2015 | 30 | $1.4 million |
Travis County, which includes Round Rock, has been named in 37 federal disaster or emergency declarations since 1991, 19 of them major disasters (by incident: 11 fires, 8 hurricanes, 7 floods, 5 severe storms). The latest major disaster declaration was Severe Storms, Straight-Line Winds, and Flooding, on July 6, 2025. FEMA's National Risk Index gives Travis County a Relatively High rating for natural hazard risk overall; by hazard: Very High for tornadoes and hail; Relatively High for inland flooding, strong wind, lightning and heat waves; Relatively Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $376.3 million a year, the 6th highest of 254 Texas counties; of the hazards above, the largest share, $214.2 million (57%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Round Rock
- Lakeway, TX3 mi
- Lago Vista, TX4 mi
- Cedar Park, TX8 mi
- Leander, TX10 mi
- Spicewood, TX10 mi
- Austin, TX12 mi
- Dripping Springs, TX16 mi
- Pflugerville, TX18 mi
- Liberty Hill, TX20 mi
- Manchaca, TX20 mi
- Georgetown, TX22 mi
- Manor, TX23 mi
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