◆ ROUND ROCK, TX HAIL HISTORY · WILLIAMSON COUNTY
Round Rock, TX hail history & hail map
Round Rock, Texas has had 5 hail events in the past 5 years, with hail up to 4.00″ (Softball). Most recent: Apr 19, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
5Hail events in the past 5 years
4.00″Largest recorded hail · Softball
4.00″Largest ground report (within 3 mi)
3.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Round Rock, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Round Rock
| Date | Peak hail | Sources |
|---|---|---|
| Apr 19, 2026 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Apr 10, 2024 | 0.75″ Penny | Radar 0.75″ |
| Sep 25, 2023 | 4.00″ Softball | Radar 3.00″ · 20 ground reports (max 4.00″) |
| Sep 24, 2023 | 2.50″ Tennis Ball | 1 ground report (max 2.50″) |
| Apr 28, 2023 | 1.00″ Quarter | Radar 1.00″ · 4 ground reports (max 1.00″) |
More Texas hail history
All Texas cities & hail days →
Events count days with NOAA MRMS radar hail over Round Rock (30.520, -97.720) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.