◆ THEON, TX HAIL HISTORY · WILLIAMSON COUNTY
Theon, TX hail history & hail map
Theon, Texas has had 7 hail events in the past 5 years, with hail up to 1.25″ (Half Dollar). Most recent: May 20, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
7Hail events in the past 5 years
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Theon, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Theon
| Date | Peak hail | Sources |
|---|---|---|
| May 20, 2026 | 0.75″ Penny | Radar 0.75″ |
| May 11, 2026 | 0.75″ Penny | Radar 0.75″ |
| May 1, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Apr 23, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Mar 24, 2025 | 1.25″ Half Dollar | Radar 1.25″ · 2 ground reports (max 1.25″) |
| May 10, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Apr 28, 2023 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 0.38″) |
More Texas hail history
All Texas cities & hail days →
Events count days with NOAA MRMS radar hail over Theon (30.740, -97.590) 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.