◆ CASPER, WY HAIL HISTORY · NATRONA COUNTY
Casper, WY hail history & hail map
Casper, Wyoming has had 6 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Jul 6, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
6Hail events in the past 5 years
1.00″Largest recorded hail · Quarter
1.00″Largest ground report (within 3 mi)
—Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Casper, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Casper
| Date | Peak hail | Sources |
|---|---|---|
| Jul 6, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Feb 25, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| Aug 4, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jun 8, 2024 | 0.38″ Small | 2 ground reports (max 0.38″) |
| May 9, 2024 | 0.10″ Small | 1 ground report (max 0.10″) |
| Apr 18, 2023 | 0.25″ Small | 2 ground reports (max 0.25″) |
More Wyoming hail history
All Wyoming cities & hail days →
Events count days with NOAA MRMS radar hail over Casper (42.830, -106.320) 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.