◆ GROVER, CO HAIL HISTORY · WELD COUNTY
Grover, CO hail history & hail map
Grover, Colorado has had 9 hail events in the past 5 years, with hail up to 2.25″ (Golf Ball). Most recent: Jun 27, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail events in the past 5 years
2.25″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
2.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Grover, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Grover
| Date | Peak hail | Sources |
|---|---|---|
| Jun 27, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Jun 25, 2026 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| May 30, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Jul 15, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jul 12, 2025 | 2.25″ Golf Ball | Radar 2.25″ · 1 ground report (max 2.00″) |
| Jul 11, 2025 | 2.00″ Golf Ball | 1 ground report (max 2.00″) |
| Jun 10, 2024 | 0.75″ Penny | Radar 0.75″ |
| Jul 28, 2023 | 1.00″ Quarter | Radar 1.00″ |
| Aug 14, 2022 | 1.25″ Half Dollar | Radar 1.25″ |
More Colorado hail history
All Colorado cities & hail days →
Events count days with NOAA MRMS radar hail over Grover (40.800, -104.170) 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.