◆ MORRISON, CO HAIL HISTORY · JEFFERSON COUNTY
Morrison, CO hail history & hail map
Morrison, Colorado has had 11 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Aug 15, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
11Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Morrison, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Morrison
| Date | Peak hail | Sources |
|---|---|---|
| Aug 15, 2026 | 0.75″ Penny | Radar 0.75″ |
| Jun 25, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| May 21, 2024 | 0.75″ Penny | 1 ground report (max 0.75″) |
| May 20, 2024 | 0.62″ Small | 2 ground reports (max 0.62″) |
| Jul 20, 2023 | 0.62″ Small | 1 ground report (max 0.62″) |
| Jul 8, 2023 | 1.50″ Ping Pong Ball | Radar 0.75″ · 4 ground reports (max 1.50″) |
| Jun 29, 2023 | 1.50″ Ping Pong Ball | Radar 1.50″ · 4 ground reports (max 1.50″) |
| Jun 22, 2023 | 2.00″ Golf Ball | Radar 1.00″ · 25 ground reports (max 2.00″) |
| May 10, 2023 | 0.38″ Small | 1 ground report (max 0.38″) |
| Jul 28, 2022 | 0.75″ Penny | Radar 0.75″ |
| Jul 26, 2022 | 0.75″ Penny | Radar 0.75″ · 1 ground report (max 0.38″) |
More Colorado hail history
All Colorado cities & hail days →
Events count days with NOAA MRMS radar hail over Morrison (39.630, -105.160) 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.