◆ ARCO, MN HAIL HISTORY · LINCOLN COUNTY
Arco, MN hail history & hail map
Arco, Minnesota has had 4 hail events in the past 5 years, with hail up to 1.25″ (Half Dollar). Most recent: Jun 20, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Arco, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Arco
| Date | Peak hail | Sources |
|---|---|---|
| Jun 20, 2025 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 1.00″) |
| Sep 29, 2023 | 1.00″ Quarter | Radar 0.75″ · 1 ground report (max 1.00″) |
| Jul 22, 2023 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
| May 11, 2022 | 0.75″ Penny | 1 ground report (max 0.75″) |
More Minnesota hail history
All Minnesota cities & hail days →
Events count days with NOAA MRMS radar hail over Arco (44.360, -96.220) 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.