Hail HistoryHome › Minnesota › Koochiching County
Hail history for Koochiching County, MN
37 hail reports in Koochiching County since 2006 on 25 days. The largest stones measured 2.5 in (tennis ball) on Jun 19, 2016.
Cities in Koochiching County
Recent hail in Koochiching County
| Date | Hail size | Where |
|---|---|---|
| Jun 29, 2026 | 1 in quarter | Intl. Falls Airport 1 hail report |
| Jun 10, 2026 | 0.88 in nickel | Silverdale 1 hail report |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Koochiching County by year
When hail season peaks in Koochiching County
Damaging thunderstorm winds in Koochiching County
46 reports of damaging thunderstorm wind in Koochiching County since 2006, on 23 days. The strongest measured gust was 78 mph on Jul 4, 2025.
| Date | Strongest gust | Where |
|---|---|---|
| Aug 3, 2026 | 66 mph, measured | Margie, International Falls, Island View 3 wind reports |
| Jul 4, 2025 | 78 mph, measured | Intl. Falls Airport 1 wind report |
| Jul 18, 2022 | 60 mph, estimated | International Falls, Intl. Falls Airport 2 wind reports |
| Jun 20, 2022 | 60 mph, estimated | Indus 1 wind report |
| May 30, 2022 | 58 mph, estimated | Little Fork, International Falls 2 wind reports |
| Jul 23, 2021 | 60 mph, estimated | Intl. Falls Airport 1 wind report |
| Jul 17, 2019 | 70 mph, measured | Birchdale, Little Fork, Silverdale 4 wind reports |
| Jul 15, 2019 | 58 mph, estimated | Rainy Lake 1 wind report |
| Aug 27, 2018 | 58 mph, estimated | Intl. Falls Airport 1 wind report |
| Jul 8, 2018 | 58 mph, estimated | Grand Falls, Ridge, Craigville 5 wind reports |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Koochiching County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).