U.S. Storm Day Summary
May 21, 2026 Hail and Storm Summary
May 21, 2026 | United States | 2026-05-21 national severe weather summary
Daily hail and wind summary for May 21, 2026, with timeline context, related archives, and linked detail pages.
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Impacted Places
Hail Stats
- Max Report
- 4.50 in
- Reports
- 33
- Severe Reports
- 33
Wind Stats
- Max Gust
- 63 mph
- Reports
- 33
- Tornado Reports
- 10
Verified Event Log (5-Year Window)
| Date | Hazard | Intensity | Distance | Location | Source |
|---|---|---|---|---|---|
| 2026-05-21 | hail | 4.50 in | - | 7 SE Last Chance, CO | NOAA SPC |
| 2026-05-21 | hail | 3.00 in | - | 1 S Thurman, CO | NOAA SPC |
| 2026-05-21 | hail | 2.75 in | - | 1 S Thurman, CO | NOAA SPC |
| 2026-05-21 | hail | 2.75 in | - | 2 WNW Thurman, CO | NOAA SPC |
| 2026-05-21 | hail | 2.50 in | - | 5 SSE Last Chance, CO | NOAA SPC |
| 2026-05-21 | hail | 2.50 in | - | 6 S Lindon, CO | NOAA SPC |
| 2026-05-21 | hail | 2.50 in | - | 12 S Joes, CO | NOAA SPC |
| 2026-05-21 | hail | 2.50 in | - | 7 NNW Stratton, CO | NOAA SPC |
| 2026-05-21 | hail | 1.75 in | - | 14 WSW Ozona, TX | NOAA SPC |
| 2026-05-21 | hail | 1.75 in | - | 7 S Last Chance, CO | NOAA SPC |
| 2026-05-21 | hail | 1.75 in | - | 5 N Stratton, CO | NOAA SPC |
| 2026-05-21 | hail | 1.75 in | - | 5 N Stratton, CO | NOAA SPC |
| 2026-05-21 | hail | 1.75 in | - | 4 N Bethune, CO | NOAA SPC |
| 2026-05-21 | hail | 1.50 in | - | 3 N Deer Trail, CO | NOAA SPC |
| 2026-05-21 | hail | 1.50 in | - | 11 N Seibert, CO | NOAA SPC |
| 2026-05-21 | hail | 1.50 in | - | 9 SE Thurman, CO | NOAA SPC |
| 2026-05-21 | hail | 1.25 in | - | 5 NW Thurman, CO | NOAA SPC |
| 2026-05-21 | hail | 1.25 in | - | Milnesand, NM | NOAA SPC |
| 2026-05-21 | hail | 1.25 in | - | 8 N Stratton, CO | NOAA SPC |
| 2026-05-21 | hail | 1.00 in | - | Deer Trail, CO | NOAA SPC |
| 2026-05-21 | tornado | Tornado UNK | - | 6 NNW Pritchett, CO | NOAA SPC |
| 2026-05-21 | tornado | Tornado UNK | - | 3 W Pine Bluffs, WY | NOAA SPC |
| 2026-05-21 | tornado | Tornado UNK | - | 4 NNW Pine Bluffs, WY | NOAA SPC |
| 2026-05-21 | tornado | Tornado UNK | - | 4 N Pine Bluffs, WY | NOAA SPC |
Storm Chaser estimated hail size was 4.5 inches in diameter. (BOU)
Report from mPING: Tea Cup (3.00 in.). (BOU)
Report from mPING: Baseball (2.75 in.). (BOU)
(BOU)
(BOU)
Report from mPING: Tennis Ball (2.50 in.). (BOU)
Report from mPING: Tennis Ball (2.50 in.). (GLD)
(GLD)
Report Highlights
- 33 hail reports were logged nationwide on May 21, 2026.
- The largest hail report reached 4.50 in.
- 33 wind/tornado reports were logged nationwide on May 21, 2026.
- 10 tornado reports were included in this day summary.
Data & Methodology
- Noaa Spc
- 66
- Derived from NOAA SPC daily severe weather reports.
Explore More Reports
Browse Storm Indexes
Day Summary Archives
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Timeline
2026-05-21T23:50:00Z
Hail 4.50 in
Storm Chaser estimated hail size was 4.5 inches in diameter. (BOU)
2026-05-21T23:47:00Z
Hail 3.00 in
Report from mPING: Tea Cup (3.00 in.). (BOU)
2026-05-21T23:47:00Z
Tornado Tornado UNK
Brief Tornado lasted one minute. (BOU)
2026-05-21T23:44:00Z
Hail 2.75 in
Report from mPING: Baseball (2.75 in.). (BOU)
2026-05-21T23:44:00Z
Hail 2.75 in
(BOU)
2026-05-21T23:44:00Z
Hail 1.00 in
(CYS)
2026-05-21T23:41:00Z
Tornado Tornado UNK
Tornado lasted 4 minutes. (BOU)
2026-05-21T23:35:00Z
Tornado Tornado UNK
Brief ground circulation. Report via NWSChat. (BOU)
2026-05-21T23:34:00Z
Hail 1.25 in
Report from mPING: Half Dollar (1.25 in.). (BOU)
2026-05-21T23:31:00Z
Hail 1.50 in
quarter to half dollar size hail. (GLD)
2026-05-21T23:31:00Z
Hail 1.00 in
Report from mPING: Quarter (1.00 in.). (BOU)
2026-05-21T23:30:00Z
Hail 1.00 in
(ABQ)